Humboldt Natura, for symphony orchestra. Commissioned by Los Angeles Philharmonic, Gustavo Dudamel Music & Artistic Director. Premiered by the LA Phil under Gustavo Dudamel at the Walt Disney Concert on February 12-15, 2026. Instrumentation: 3343 (sop. sax) – 4331 – timp, 6 perc, harp, pn, – StringsApprox. duration: 28:00 minutes

Concerto for Harp (short score). Composed for harpist Isabel Cárdenes. In three movements: I. Tribal, II. Dotwork (attacca), III. Trash Polka. Premiere TBD Approx. duration: 19:00 minutes

Vanishing Borders, arranged for Bb clarinet and string orchestra. Premiered by clarinetist Stacy Christofakis and the Snow Pond Chamber Players, Simón Gollo, conductor. July 31, 2024, New England Music Camp, Sidney, Maine. Approx. duration: 5:30 minutes.

Invocación y Danza al Agua, for euphonium and piano. Commissioned by the Tuba Bach Festival and premiered by Ed and Noah Mallett on September 9-10, 2023. Approx. duration: 10:00 minutes.

Los Laberintos de la Luz, for soprano, piano, and makeshift percussion set (art supplies). Premiered by Leah Brzyski, Ana Maria Otamendi, and Ricardo Lorenz at the Avaloch Farm Music Institute on July 14, 2023. Approx. duration: 5:30 minutes.

Found Connections, concerto for multi-instrumentalist and wind symphony. Commissioned by The University of Florida Bands, David Waybright, Director. Premiered by José Valentino Ruiz and University of Florida Wind Symphony on April 25, 2023. Approx. duration: 28:00 minutes.Instrumentation: 33434 – 43321 – timp, 3 perc, solo fl, t. sax, e. bass, – harp, pn, –

Red Bird, for oboe, clarinet, & bassoon. Commissioned by Andrea Vos-Rochefort, and Paul Pool. Premiered by Andrea Vos-Rochefort, and Paul Pool at the Clarinetfest 22 held in Reno Nevada on July, 2022. Approx. duration: 6:30 minutes.

Todo Terreno, for symphony orchestra. Commissioned by Los Angeles Philharmonic, Gustavo Dudamel Music & Artistic Director. Premiered by the LA Phil under Gustavo Dudamel at the Walt Disney Concert on May 12 & 13, 2022. Approx. duration: 8:30 minutes. Instrumentation: 3343 – 4331 – timp, 4 perc, harp, pn, – Strings

La Hamaca, for piano trio (violin, violoncello, & piano). Commissioned by Reverón Piano Trio with funds provided by Louisiana State University and University of North Texas. In three movements: I. La Hamaca, II. El Ventilador (attacca) III. Tambora.First movement premiere at LSU by Reverón Piano Trio on November 30, 2021. Complete work premiered at the Music Institute of Chicago on February 17, 2023. Approx. duration: 18:00 minutes.

El Ascenso de Olokun (Olokun’s Awakening), for symphony orchestra. First scene ofSymphonic Scenes of Chacumbele. Premiered by the Oberlin ConservatoryOrchestra conducted by Raphael Jiménez on September 27, 2014. Approx. duration: 9:00 minutes.Instrumentation: 3233 (sop. sax) -4221- timp, 2 perc., harp, pn – strings **

Composed for the Dali Quartet 2012  Summer Camp and Festival Pre-College Orchestra.  Premiere conducted by Eddie Marcano on August 12, 2012 in Lansdale, PA. Approx. duration: 5:30 minutes.

Cacerola Soul, for mixed choir, chamber ensemble, and optional rapper. Commissioned by The Iberian and Latin American Music Society (ILAMS) and premiered on May 3, 2012 at the Purcell Room, South Bank Center, London, UK.  Inspired by the cacerolasos, pot-banging protests common in Latin America.  Text by Alfredo Pérez.  Performed again by the MSU University Choral conducted by David Rayl on April 13, 2014 at The Fairchild Theater. Approx. duration: 11 minutes 1010-0110- 4 perc., pn, SATB (optional rapper), vln, D.B.

Especially composed for MSU’s Musique 21 Ensemble for a program titled “Return Flight” conceived around György Ligeti’s Musica Ricercata. Premiered on November 29, 2011 by trombonist Steven Kandow and Musque 21 at Snyder Hall, Michigan State University. Approx. duration: 3:30 minutes.

Commissioned by Music in the Loft especially for Liaisons: Re-Imagining Sondheim from the piano, a tribute project that gathers piano adaptations of Stephen Sondheim’s songs by more than thirty composers. Premiered at Symphony Space in New York City by Anthony de Mare on April 21, 2012. Approx. duration:  5 minutes.

Commissioned by Robert Benton and the New Euphonium Music Commissioning Consortium.  Scored specifically for the same instrumentation used in Leos Janacek’s 1926 Capriccio. Premiered on May 4, 2011 by Robert Benton and a student ensemble from University of Michigan, Stamps Auditorium, Ann Arbor, Michigan. Approx. duration: 12 minutes. 1000-0231 (euph)- pn

Commissioned by Molly Barth and Luis Julio Toro with funds provided by the University of Oregon.  Premiered on October 28, 2010 at the Cervantino Festival, Guanajuato, Mexico. Approx. duration:  12 minutes

Composed for and premiered by violist Roberto Díaz through a Michigan State University Intramural Grant (IRGP) from the Vice-President’s Office for Research.  Premiered on October 22, 2010 by R. Díaz and the Michigan State University Symphony Orchestra, Leon Gregorian, conductor.  East Coast premiere in Camden, NJ on October 15, 2011 by R. Díaz and Symphony in C, Rossen Milanov, conductor. Approx. duration:  30 minutes. Instrumentation: 2232-2220- timp., 4 perc., harp, gtr – strings

Commissioned by the American Bandmasters Association and The University of Florida for premiere by the University of Florida Wind Symphony conducted by David Waybright,  October 1st, 2009.   The Michigan State University Wind Symphony previewed the work at the CBDNA Conference held at The University of Texas-Austin, March 28, 2008. Approx. duration: 10 minutes. Instrumentation: 4343 – 4 sax- 6431(2 Euph.) – timp, 4 perc., pn plus backstage quintet  (cl, a. sax, tbn, bass, perc.)

Fantasía Pilsen, for brass quintet and Mexican folk ensemble. Commissioned byChicago Symphony Orchestra’s Armonía Musicians Residency Program. Premiered at the Benito Juarez High School in Pilsen, by Sones de México and the CSO Brass Quintet, on March 8, 2002, Ricardo Lorenz, conductor. Approx. duration: 7

Composed in collaboration with Jorge Gómez for Tiempo Libre. Commissioned by Minnesota Orchestra, Detroit Symphony, Ravinia Festival, and Festival of the Art BOCA.   Premiered by Tiempo Libre and the Minnesota Orchestra conducted by Sarah Hicks on November 16-17, 2008, and subsequently performed by Tiempo Libre and the Lynn University Symphony Orchestra at the Festival of the Arts Boca, the Detroit Symphony, and the Chicago Youth Symphony Orchestra at Ravinia. Approx. duration: 26 minutes. 3333-4331- timp, 2 perc., harp –  Latin septet (fl/t. sax, tpt, 2 perc, voice, elec. bass, pn)- strings

Trio for flute (C, alto, piccolo), cello, and percussion commissioned by The National Flute Association Inc.  Premiered at the NFA’s Convention in Albuquerque, NM, on August 12, 2007.  Luis Julio Toro, flute; David Speltz, cello; Tracy Freeze, percussion.  Subsequently performed by flutist Marissa Olin. Approx. duration: 15 minutes. 

Fantasy on a tune by Jorge Drexler for guitar and string quartet.  Commissioned by Music in The Loft and generously funded by the Alvin H. Baum Family Fund.  Premiered at Music in The Loft by guitarist Rami Vamos and Pacifica String Quartet on November 18, 2006.  The original tune by Jorge Drexler won the 2004 Academy Award for best soundtrack. Approx. duration: 12 minutes.

Commissioned by cellist Carlos Prieto in connection with activities surrounding the release of his book The Adventures of a Cello (University of Texas Press).  Premiered at University of Texas, Austin on October 15, 2006.  Subsequently revised with the help of cellist Miguel Rojas. Approx. duration: 8 minutes.  

Commissioned by Welz Kauffman and Ravinia Festival to commemorate the 150th anniversary of Robert Schumann’s death and included in the One Score, One Chicago New Scenes from Childhood Project.  Premiered at Ravinia Festival by pianist Benjamin Hochman on September 13, 2006.  Approx. duration:  2:30 minutes.

Commissioned by Trio Verdehr and Michigan State University. Premiered by Trio Verdehr on April 2, 2006 at the MSU School of Music Auditorium.  Performed extensively by Trio Verdehr throughout the US and South America.  The New Juilliard Ensemble did the New York premiere of the work at MoMa’s Summergarden Festival, July 19, 2008. Approx. duration: 15 minutes.

Premiered by Elena Riu at the Rhythm Sticks International Festival, Purcell Room, London, July 17, 2004. Published in 2005 by Boosey & Hawkes under a collection of piano works titled Salsa Nueva: vibrant salsa beats meet contemporary classical piano music. Approx. duration: 5 minutes.

Premiered by the Indiana University New Music Ensemble on April 15, 2004, David Dzubay, conductor. Approx. duration: 17 minutes. 1100 (alto sax) – 0101 – 3 perc., pn – vl, vla, vlc.

Commissioned by Andrés Cárdenes for the Pittsburgh Symphony Chamber Orchestra. Premiered at the Nuance series, Pittsburgh, on November 11, 2003. Approx. duration: 6 minutes.

Commissioned by Camerata Criolla for pianist Gabriela Montero, 1995 Chopin Competition bronze medallist. Premiered on June 15, 2002, Teatro Teresa Carreño, Venezuela, under the baton of Manuel Hernández-Silva. Approx. duration: 12 minutes. 1221 – 1000 – solo pn – strings

Commissioned by Ravinia Festival for the Chicago Symphony Orchestra. Premiered on July 8th, 2001 under the baton of William Eddins.  Approx. duration: 8 minutes. Instrumentation: 3333 – 4331 – timp, 3 perc, harp, pn – strings

Commissioned by Music in the Loft with a generous donation from Ms. Ruth Horwich. Especially composed for percussionist Yousif Sheronick and the Pacifica String Quartet and premiered at the “Second Kleiner Concert: Journey on the Wings of Song,” December 2, 2000.  Approx. duration: 11 minutes.

Orchestral variations on a Mayan tune. Commissioned by the Chicago Symphony Orchestra and premiered jointly with Los Folkloristas on April 7-8, 2000 under the baton of William Eddins. Subsequently performed by the Orquesta Filarmónica de la Ciudad de México on September 16-17, 2000, Carlos Miguel Prieto, conductor.  Approx. duration: 7 minutes. 3333 – 4331 – timp, 2 perc, harp – strings and folk ensemble.

Commissioned by Music in the Loft for premiere at the “First Kleiner Concert: A Cameo Retrospective of Twentieth Century Music.” Premiered on December 4, 1999: Kristen Saigard, viola; Fareed Haque, guitar.  Approx. duration: 3 minutes.

Commissioned by the Chicago Sinfonietta with generous funds provided by BOC Gases and Citgo Petroleum Corporation. Premiered by soloist Edward Harrison and the Chicago Sinfonietta at Symphony Hall, March 15, 1999.  Approx. duration: 15 minutes. Instrumentation: 2222 – 2210 – timp, 1 perc, harp – strings. **

Commissioned by Mexican cellist Carlos Prieto. Premiered in Caracas on May 10th, 1998. Subsequently recorded by the same duo for Urtex Digital Classics. Approx. duration: 12 minutes.

Premiered in Bloomington, Indiana by Anthony de Mare during the “Crossover of Traditions” Festival.

Commissioned by Concert Artists Guild for recorder artist Aldo Abreu. In three movements. Premiered by the Billings Symphony (Montana) on November 7, 1998, under the baton of Uri Barnea. Approx. duration: 20 minutes. Instrumentation: 0000 – 2000 – timp, 2 perc, harpsichord (cel), solo rec. – strings. **

Premiered in Buenos Aires, Argentina, by Alfonso Montecino, at the 1995 Encuentros Internacionales de Música Contemporanea; September 20, 1995. Approx. duration: 5 minutes. **

Commissioned by the Barlow Endowment for Music Composition for the Minneapolis-based ensemble Zeitgeist. In four movements. Last movement requires a tape playback. Premiered in Minneapolis, Minnesota, byZeitgeist, at the Guthrie Theater on May 19, 1994. Performed the following year by Chicago’s Contemporary Chamber Players, at Mandel Hall, University of Chicago. Approx. duration: 16 minutes.

Commissioned by the Dayton Philharmonic Orchestra (Ohio) to open its 60th anniversary season. Premiered under the baton of Isaiah Jackson on September 22, 1993. Later performed by the Stockholms Blåsarsymfoniker (Sweden), The University of Chicago Symphony Orchestra and the Youngstown Symphony. Approx. duration: 4 minutes. ** Instrumentation: 1(picc)333 – 4331 – timp, perc, pn.

Commissioned by Andrés Cárdenes for inclusion in his CD recording titled It’s Peaceful Here, released by Arabesque Records in late 1994. Approx. duration: 4 minutes.

Commissioned by Dennis Russell Davies and the Orchester der Beethovenhalle Bonn. Premiered in Bonn, Germany, under the baton of Dennis Russell Davies; April 2, 1993. The North American premiere took place in New York’s Carnegie Hall, by the American Composers Orchestra conducted by Dennis Russell Davies; December 4, 1994. Approx. duration: 17 minutes. Instrumentation: 3333 – 4431 – timp, perc, pn (cel), harp – strings.

Jointly commissioned by Petróleos de Venezuela S.A. and Spain’s Centro para la Difusión de la Música Contemporanea. Premiered in Alicante, Spain, by the Orquesta Nacional de España under the baton of Josep Pons, on September 22, 1992, during Alicante’s VIII International Festival of Contemporary Music. It was performed later that year in Caracas, Venezuela, by the Orquesta Sinfónica Simón Bolivar, under the baton of Alfredo Rugeles, during the VI Festival of Latin American Music. Approx. duration: 20 minutes. Instrumentation: 3333 – 4321 – timp, perc, pn (cel), harp – strings.

Commissioned by author Robert Fulghum and the Newhouse Foundation. Text by Robert Fulghum. Premiered at the World Theater in Saint Paul, Minnesota, by the Minneapolis Chamber Symphony and the Oratorio Society of Minnesota, conducted by Jere Lantz and narrated by Robert Fulghum; September 12, 1991. Approx. duration: 13 minutes. Instrumentation: 2222 – 2200 – timp, perc, harp – strings.

Commissioned by marimba artist Marie Josee Simard. The North American premiere took place at the XIX Santa Fe Chamber Music Festival (New Mexico) with Luis Julio Toro, flute; Jeffrey Cornelius, marimba and vibraphone; August 14, 1991. Approx. duration: 10 minutes. **

Commissioned by Pittsburgh Symphony’s Concertmaster Andrés Cárdenes. In three movements. Premiered by the San Antonio Symphony (Texas) conducted by Carl Saint Clair; October 4, 1990. Also performed by the New World Symphony (Miami) under the baton of Eduardo Mata; March 27, 1993. Approx. duration: 27 minutes. **Instrumentation: 1021 – 0211 – timp, 3 perc, pn (cel), solo vln – strings.

Commissioned by the Orquesta Sinfónica Venezuela in celebration of its 60th anniversary season. In three movements. Premiered in Caracas by pianist Anthony de Mare, with the Orquesta Sinfónica Venezuela conducted by Carmen Helena Téllez; July 15, 1990. Subsequently recorded by the Orquesta Sinfónica de Lara (Venezuela) under the direction of Leonardo Panigada and Anthony de Mare as soloist.  Approx. duration: 35 minutes. Instrumentation: 323 (sax)3 – 4331 – timp, 4 perc, harp, solo pn – strings.

Commissioned by Andrés Cárdenes. Premiered at the Skaneateles Music Festival (New York) on September 1st, 1989; Andrés Cárdenes, violin; Deborah Hoffman, harp. Approx. duration: 12 minutes. Performed later at the 1994 Berlioz Festival in Saint Andre, France.

Commissioned by Patty and Gustavo Cisneros for Sinfonietta Caracas. Premiered in Caracas at the 1989 gathering of the Society of the Americas, February 16; Luis Julio Toro, soloist; Sinfonietta Caracas conducted by Eduardo Marturet. The European premiere took place in Barcelona, Spain, by the Orquestra de Cambra Teatre Lliure under the baton of Josep Pons; October 25, 1990. It was recently performed at New York’s Weill Recital Hall by Luis Julio Toro and members of the American Composers Orchestra; December 1st, 1994. Approx. duration: 13 minutes. Instrumentation: 0120 – 0111 – perc, pn, harp, solo fl/perc. – strings **

Text by Manuel Losada. Original version for tenor and piano (1983) orchestrated by request of conductor Juan Felipe Orrego, who premiered it at the Monday Evening Concerts Series (Los Angeles); February 27, 1989. 1) No nos hacen caso las estrellas, 2) Aura Malenka, 3) Arte, 4) Moraleja. Approx. duration: 16 minutes. **Instrumentation: 1011 – 0110 – perc, pn – string quintet.

Commissioned by the Venezuelan Society of Electro-acoustic Music. Premiered in Caracas by Luis Julio Toro; October 16, 1988. It was performed in Durban, South Africa by flutist Alain Barker, on June 20, 1989. Approx. duration: 9 minutes.

Commissioned by Fundación Ricardo Zuloaga to commemorate Heitor Villa-Lobos’ 100th anniversary. Premiered in Caracas by Sinfonietta Caracas under the baton of Eduardo Marturet; August 9, 1987. It was performed immediately afterwards in New York City at the Washington Square Music Festival conducted by Tania León, and several years later at Town Hall by the Cosmopolitan Symphony. Approx. duration: 18 minutes.

Commissioned by Compañia de Danza Abelardo Gameche for its Asian tour. Premiered in Caracas at the Teatro Cadafe on October 23, 1986. Approx. duration: 60 minutes.

Commissioned by Teatro del Silencio to commemorate the 40th anniversary of the Spanish civil war. Premiered at the Ateneo de Caracas; November 20, 1986. Approx. duration: 30 minutes.

Commissioned by Teatro Teresa Carreño as a parallel work to Igor Stravinsky’s L’Histoire du Soldat. Based on the story El Pobre Cucarachero by Venezuelan author Antonio Arraiz. Premiered in Caracas at the Teatro CANTV on April 30, 1986; Alberto Rowinsky, narrator; Macarena Solórzano, ballerina; Carmen Helena Téllez, conductor. Since then, the work has been performed in Venezuela on many occasions by different ensembles.  Approx. duration: 45 minutes. ** Instrumentation: 0011 – 0110 – perc – vl, DB.

Composed by request of choreographer Macarena Solórzano and premiered in Caracas at the Segundo Encuentro de Jóvenes Coreógrafos; July 24, 1986. Approx. duration: 8 minutes.

Text by Rubén Carámbula. Premiered at Indiana University’s Recital Hall on January 31, 1986; Magda Baez, soprano; Ricardo Lorenz, piano. Performed later that year in Venezuela at the Caracas’s Festival of Electro-acoustic Music; Inéz Feo-La Cruz, soprano; Ricardo Lorenz, piano; October 19, 1986. Approx. duration: 8 minutes.

In three movements. Based on the famous aria from the opera “Rinaldo” by George F. Handel. Premiered at Indiana University’s Recital Hall on January 31, 1986 by a student quartet: Darren Lowe and Beth Miller, violins; Stacia Spencer, viola; Suzana Stefanovich, cello. It was performed again in 1988 by the Cuarteto Latinoamericano during the X Foro Internacional de Música Nueva. Approx. duration: 16 minutes.

Written for Aldo and Abraham Abreu. Premiered at Indiana University’s Recital Hall on January 31, 1986; Luca Pelligrini, recorder; Feliu Gasull, guitar; Larry Hamberlin, harpsichord. Second performance took place at the Musical Arts Center in Bloomington, Indiana on December 1st, 1988; Aldo Abreu, recorder; Feliu Gasull, guitar; Ricardo Lorenz; harpsichord. Approx. duration: 10 minutes.

Premiered by Ricardo Lorenz at Indiana University’s Recital Hall; April 25, 1984. The work was revised immediately thereafter and has been performed since then by a dozen pianists all throughout Europe, North and South America. It was performed for the first time in its revised version by Manuel Losada and soon afterwards by Anthony de Mare at Bargemusic Hall during the First New York International Festival of the Arts; June 23, 1988. Approx. duration: 5 minutes. **

Commissioned by Consejo Nacional de la Cultura (CONAC) to commemorate the 154th anniversary of Simón Bolivar’s death. Premiered in Caracas at the Sala Rios Reyna by the Orquesta Sinfónica Venezuela together with the Teatro Teresa Carreño Chorus conducted by Eduardo Marturet; December 17, 1984. Approx. duration: 8 minutes. Instrumentation: 3233 – 4331 – timp, perc, pn, harp – strings.

Premiered by Ricardo Lorenz at Indiana University’s Recital Hall; April 25, 1984. The work was revised immediately thereafter and has been performed since then by a dozen pianists all throughout Europe, North and South America. It was performed for the first time in its revised version by Manuel Losada and soon afterwards by Anthony de Mare at Bargemusic Hall during the First New York International Festival of the Arts; June 23, 1988. Approx. duration: 5 minutes. **

Written for timpanist Stuart Marrs who premiered it at Indiana University’s Recital Hall accompanied by a student ensemble conducted by Carmen Helena Téllez; April 25, 1984. The Concertino has been performed by several groups and soloists including the Maelstrom Ensemble, percussionists Jan Williams and Rolando Morales, among others. Approx. duration: 15 minutes.

In three movements. Premiered at Indiana University’s Recital Hall by violinist Nai Yuan Hu and pianist Arnaldo Pizzolante; December 9, 1982. They performed it in Caracas on May 22, 1983. Approx. duration: 9 minutes.

In three movements. Premiered at Indiana University’s Recital Hall by a student ensemble; October 25, 1982. Performed several years later in the same hall by the Indiana University Contemporary Chamber Ensemble conducted by Jaime Morales Matos; March 31, 1986. Approx. duration: 10 minutes.

Written for pianist Arnaldo Pizzolante and premiered by him in Caracas at the Teatro CANTV; October 3, 1982. Performed also frequently by pianist Juan Francisco Sans. Approx. duration: 7 minutes.