Violin Concerto ... for Irina (2009) violin solo & orchestra: 2222-4331-timp-2perc-hp-strings
The Emerald Necklace (2009) narrator & chamber orchestra: 1111-2110-perc-strings
... bisbigliando ... (2008-09) harp solo & orchestra: 2222-2220-2perc-strings
Symphony No. 7 ... Roman Holidays (2008) orchestra: 2222-4331-timp-2perc-strings
Piano Concerto ... Mozartiana (2007) piano solo & orchestra: 2222-2220-timp-strings
**Persephone and the Four Seasons (2005-06) oboe solo & orchestra: 2022-4200-2perc-hp-strings
**Pluto ... Lord of the Underworld (2005) orchestra: 3333-4331-timp-2perc-hp-cel-strings
**Concerto for Orchestra, opus 111 (2004) orchestra: 3232-4331-timp-2perc-strings
**Symphony No. 6 ... The Penobscot River (2004) SATB chorus & orchestra: 3222-4231-timp-2perc-hp-strings
**Clarinet Concerto ... Sounds of the Islands (2003) clarinet solo & orchestra: 2222 4330-3perc-pf-strings
Brocktonian Two-Step (2003) orchestra: 2222-4331-timp-2perc-strings
**Symphony No. 5 ... Utopia Parkway (2003) orchestra: 2222-4331-timp-2perc-hp-strings
**Mambo!!! (2003) orchestra: 2222-2220-2perc-pf-strings
**Symphony No. 4 ... War and Peace (2001) soprano solo & orchestra: 3232-4331-timp-2perc-hp-pf-strings
**Flauta Carioca, opus 90 (2000) flute solo, orchestra: 2222-2221-timp-2perc-strings
**Symphony No. 3 ... Portraits in Jazz (2000) orchestra: 3232-4331-timp-perc-hp-strings-jazz trio (piano-bass-drums)
Pastorale (2000 - pièce d'occasion) harp solo & chamber orchestra: 2222-2100-strings
Jubilatus (1999) orchestra: 3232-4331-timp-2perc-hp-strings
**Forró (1998) orchestra: 2222-2200-perc-strings
**Symphony No. 2 ... A Phantasmagorey Ballet (1998) orchestra: 3232-4331-timp-2perc-hp-pf-strings
**Eurydice ... A Tone Poem for Cello and Orchestra (1994-95) cello solo & orchestra: picc2222-4231-timp-2perc-hp-strings
Sinfonietta, opus 60 (1994) orchestra: picc2222-2220-timp-strings
**Symphony No. 1 ... Fallen Angels (1993, rev. 1995) orchestra: 2222-2211-timp-perc-hp-pf-strings
Les Adieux à Dhu ... an Adagio (1992 - pièce d'occasion) orchestra: 2222-4221-timp-hp-pf-strings
Jana ... An American Overture (1991, withdrawn) orchestra: 3223-4231-2perc-pf-strings
*Cavatina Cavadini (1991, replaces 1984 version) concert band: picc22Eb3altbs2-4-430323-3perctimp
Concertino (1986) trumpet solo, timpani, string orchestra (65442, minimum)
*Harp Concerto (1985) harp solo, chamber orchestra: 1120-2200-2 perc-strings (66442, minimum)
Double Concerto (1983/1984) 2 pianos & chamber orchestra: 1111-1110-2 perc-strings
*Phantasia For Elvira Shatayev (1981) soprano solo & orchestra: picc212-2121-hp-pf-2perc-strings 

Vocal/Choral/Opera/Music Theater:

Walden, opus 123 (2008) lyric tenor and octet: flute, clarinet, 2 violins, viola, cello, double bass, piano    [Words by Henry David Thoreau.  P.D.]
The Inman Diaries ... A Chamber Opera in Two Acts (2007) nine singers and seven instruments: clarinet, harp, percussion, violin, viola, cello, double bass 
[Libretto by Jesse J. Martin - based on a play by Lorenzo DeStefano.]
Oscar Wilde ... An Opera in Two Acts (Act One 2005; Act Two - work in progress)  [Libretto by Paul Hodes.]
Mechthild von Magdeburg ... Minnelieder an got (2005) SATB chorus, harp solo & string quintet    [Texts: Mechthild von Magdeburg.]
The Flowers of Terezín (2004) children's chorus: SSA, piano   [Poems by Walt Whitman, Mary Oliver, Tony Kushner & Matsuo Basho.]
Symphony No. 6 ... The Penobscot River (2004) SATB chorus & orchestra: 3222-4231-timp-2perc-hp-strings   [Texts: P.D.]
Pater Noster (2003) baritone & string quartet   [Texts: P.D.]
Stabat Mater (2002) for SATB chorus and organ  [Texts: P.D.]
Christmas Cantata (2001) soprano solo, SATB chorus, 2 trumpets, 2 trombones, timpani, organ
        [P.D. texts from "The New Oxford Book of Carols," edited by Hugh Keyte and Andrew Parrott.]
Hancock Shaker Village (2001) mezzo-soprano and string quartet  [Songs and hymns from the Shaker Village in Hancock, MA.]
Symphony No. 4 ... War and Peace (2001) soprano, orchestra: 3232-4331-timp-2perc-hp-pf-strings  [Poems by Rupert Brook, Wilfred Owen & Ivor Gurney.]
Morning Bliss (2000) mezzo-soprano, piano.  [Poem by Peter Papesch.]
Lux Aeterna I, II, III, IV & V  ... In memoriam, Jane Marrinan, 1959-2000 (2000-02) SATB chorus, a cappella  [Texts: P.D.]
Summer Lilies (2000) mezzo-soprano, piano.  [Poem by Mary Oliver.]
**Mass for the Holy Year 2000 (1999-2000)  four soloists, SATB chorus, organ & orchestra: 2222-2221-timp-perc-hp-strings
        [Latin texts from the Ordinary of the Mass; poems by Elizabeth Kirschner, Claude McKay, Edith Stein, and Thomas Merton]
Love Songs (1998) mezzo-soprano, piano     [Poems: A. Gorges, E. Dickinson, C. Rossetti and P. Booth.]
The Ecstasy of Saint Teresa (1998) mezzo-soprano, organ     [Poem by Elizabeth Kirscher.]
Tantric Psalms (1997, rev. 1999) for mezzo-soprano and string quartet   [Texts: P.D.]
Jack and the blues (1997) soprano, piano [Poems by Jack Kerouac.]
Poema de Natal (1992, rev. 1996) mezzo-soprano, Bb clarinet, trombone, piano, percussion     [Poem by Vinicius de Moraes.]
That Mountain (1991; rev. 1992) lyric baritone, flute, Bb clarinet, violin, cello, piano, percussion  [Texts by Henry D. Thoreau.]
I Never Saw Another Butterfly (1991) mezzo-soprano, Bb clarinet, piano     [Poems by the children interred at Terezín Concentration Camp, 1942-44.]
Hymnbook Resources Commission (1990) vocal quartet:  SATB   [Texts: P.D.]
Unmasked ... a chamber opera in one act (1989-90, withdrawn): S, MS, CT/A, T, BA, BS, 1111-0000-perc-hpsd-11111  [Libretto by B. Kuehn.]
Apples ... Six "Dreams" by Richard Kenney (1987; rev. 1990) mezzo-soprano, piano     [Poems by Richard Kenney.]
The Cockscomb (1981) female voice, violin, Bb trumpet, double bass, piano, 2 percussion     [Poems by Barbara Kuehn.]
*Phantasia For Elvira Shatayev (1981) soprano, orchestra: picc212-2121-hp-pf-2perc-strings    [Poem by Adrienne Rich.]
Photograph 1920 (1978; rev. 1982) soprano, Bb clarinet/bass clarinet, violin, viola, cello     [Libretto by Gertrude Stein.]  

String Quartet:

String Quartet No. 10 ... The Berkshires (2006) for the Hawthorne String Quartet
The New England Transcendentalists: Emerson, Hawthorne, the Alcotts & Thoreau (2003) for the Hawthorne String Quartet
ART: arias & interludes ... Commedia dell'Arte for String Quartet (1996; rev. 1997) for the Artaria Quartet of Boston
Seven Jazz Pieces (1990-1991) for the Lydian String Quartet
String Quartet on B-flat (1989/90; rev. 1993) for the Manhattan String Quartet
String Quartet No. 5 (1987) for the Kronos Quartet; premiered by the Boston Composers String Quartet
Morango ... Almost A Tango (1983) for the Kronos Quartet
*Third String Quartet ... child of Uranus, father of Zeus (1982) for the Kronos Quartet
Departed Feathers (1980) for the Kronos Quartet
Aperture, opus 1 (1974)  

Chamber Ensemble:

Piano Quintet (2008) 2 violins, viola, cello and piano
**Seven Steps to Heaven (2002) 2 violins, 2 violas, 2 cellos & double bass 
I've Got the Munchies (2001, rev. 2004) violin. viola, bass clar. in Bb, vibraphone
Septet, opus 77 ... "Variations on a Shaker tune" (1998) flute, Bb clarinet, F Horn, violin, viola, cello, double bass
Yo Picasso (1997) Bb clarinet, viola, cello, piano
La Chimera Fantastica (1995, rev. 1996) violin, viola, cello
Piano Trio No.1 (1994, rev. 2000) violin, cello, piano
Four In One + 3 (1992 - pièce d'occasion) flute, oboe, cello, trap set
Studio 54 (1992) flute, Bb clarinet, violin, cello, piano
Santa Cecilia ... a Horn Trio (1990, replaces 1986 version - withdrawn) violin, F horn, marimba
numina V ... a Williams fanfare (1988 - pièce d'occasion) 2 oboes, english horn in F, 2 bassoons
Piano Quintet ... Apple Strudel (1988) violin, viola, cello, contrabass, piano
Chôrinhos, opus 38 (1987) flute, oboe, Bb clarinet, violin, cello, piano, percussion
Harp Trio (1986, withdrawn) flute, cello, harp
Piano Sextet (1985) flute, oboe, Bb clarinet, bassoon, horn, piano
Six At The Top Means... (1985) 3 saxophones, 3 trumpets, 2 trombones, piano, double bass, drums, percussion
String Trio (1985) violin, viola, cello
Louie MCMLV (1985 - pièce d'occasion) saxophone quartet
Waltzes, opus 26 (1984, rev. 1994) flute, oboe, Bb clarinet, F horn, bassoon
Saxxologie ... A Sextet (1984) 6 saxophones:  2 soprano, 1 alto, 2 tenor, 1 baritone
*Hylidae ... The Tree Frogs (1984) violin, double bass, piano
*Double "L" Triptych, opus 22 (1983) oboe solo, 4 violins, 2 violas, 2 cellos, 1 double bass
*The Gainsborough Five (1983) 2 trumpets, F horn, trombone, tuba
*Octopus Wrecks (1979/1981) 2 trumpets, F horn, trombone, tuba, 3 double basses
Piece For Viola (1976) saxophone quartet
*The Mad Frog (1974) oboe, Bb bass clarinet, harp

Duo:

Chorões Brasileiros, opus 120 (2007) trombone and piano
Waltzes, opus 101 (2002) flute and harp
Voilà!!! ... Seven movements for two violas  (2001) or violin and viola
He Loves And She Loves ... G. & I. Gershwin (1999) arr. for two pianos  
Eight Tarot Cards for Madam Rubio (1997) two marimbas
The Visconti-Sforza Tarot Cards ... Twenty-two salon pieces for two pianos, opus 66 (1996)
Cançôes e sambinhas (1996) cello, piano
Tunesmith ... An American Beauty Pageant (1993) violin, piano
Dark Angels (1990; rev. 1994) viola, cello
Marimolintoo (1989/90) violin, marimba
*Marimolin (1986) violin, marimba
White Pond ... Concord, Mass. (1982) oboe, piano
The MacGuffin (1982) Bb soprano/Eb alto sax, percussion
Currie Cabot (1980) viola, piano
Tennessee Sourmash (1976) cello, piano
The Sensuous Gargoyle (1975) violin, piano

Solo:

Prelúdios ... Comidas Típicas Brasileiras (2005) solo marimba
Bellaboola, opus 108 (2004) solo trumpet in Bb
Chorale-Fantasy, opus 97a (2003) organ solo
Shepherd, Show Me How To Go (2003) organ solo
Twenty-nine Fireflies, Book V, Four Pieces [xxvi-xxix] ... For Sally Pinkas and Evan Hirsch (2002) solo piano
Twenty-nine Fireflies, Book IV, Seven Pieces [xix-xxv] ... For Ya-fei Chuang (2002) solo piano
Fantasia for solo organ (2001)
Toccata, Adagio & Fugue (2001) organ solo
Twenty-nine Fireflies, Book III, Seven Pieces [xii-xviii] ... For Robert Levin (1998, rev. 2000) solo piano
Trinca de Chôros (1996 - pièce d'occasion) Bb clarinet solo in three movements
Chôros, opus 61 (1994-95) violin or viola solo
numina I ...  (1988; rev. 1994) solo trumpet
Twenty-nine Fireflies, Book II, Seven Pieces [v-xi] ... For Kathryn Gleason (1982 - 1986) solo piano
After A Lecture By John Cage (1978) solo piano
Libelle ... "dragonfly" (1977, withdrawn) solo harp
Twenty-nine Fireflies, Book I, Four Pieces [i-iv] ... For Julie Cavadini (1977) solo piano

Music for children or young adult performers:

Berkshire Country Day School Fugue (1999 - pièce d'occasion) string quartet
Waltzin' Isabella (1999 - pièce d'occasion) Bb trumpet, piano
Children's Suite, opus 81 (1999 - pièce d'occasion) violin, cello, piano; or violin, Bb clarinet, piano
Castor & Pollux (1993, rev. 1996 - pièce d'occasion) flute, oboe, Bb clarinet, piano
numina II ... for Sarah (1989/90 - pièce d'occasion) two recorders or flutes