(1967) Voyage into the Golden Screen (1968) Dream Play (1975) Twilight (1977) Burn (1984) Spaces of Time (1991), for orchestra with piano Night-Symphonies, Day Breaks (1992), for chamber orchestra Aspects of Leaving (1997) Terrains Vagues (2000–2001) Concertante Violin Violin Concerto No. 1 Helle Nacht (1986–87) Violin Concerto No. 2 Borderlines (2002) Cello Cello Concerto No. 1 Between (1985) Cello Concerto No. 2 Momentum (2009) Cantica Concertante (2012), for cello and ensemble Harp Harp Concertino No. 1 King, Queen and Ace (1988), for harp and 13 instruments Harp Concertino No. 2 Through Thorns (2003), for harp, flute, clarinet and string quartet Percussion Percussion Concerto No. 1 For a Change (1983) Percussion Concerto No. 2 Bach to the Future (1997), for two percussionists and orchestra Accordion Concerto Recall (1968) Viola Concerto Remembering Child (1986) Piano Concerto Concerto in due tempi (1994–95) Three Nocturnal Movements (2019), for violin, cello and ensemble Chamber/Instrumental String Quartets String Quartet No. 1 String Quartet No. 2 Quartetto Brioso (1958) String Quartet No. 3 String Quartet No. 4 Quartet in 3 Spheres (1969), for string quartet with tape String Quartet No. 5 Inscape (1969) String Quartet No. 6 Tintinnabulary (1986) String Quartet No. 7 (1994) String Quartet No. 8 Night Descending like Smoke (1997) String Quartet No. 9 Into the Source (2001) String Quartet No. 10 Harvest Timeless (2005) Flute Quintet (1953), for flute, violin, viola, cello and piano Solo Intimo (1953), for cello Clarinet Trio No. 1 (1955), for clarinet, cello and piano Whirl's World (1970), for wind quintet Arcana (1970), for percussion, electric guitar and accordion Clarinet Trio No. 2 Spell (1973), for clarinet, cello and piano Cantica (1977), for cello and piano Proteus (1980), for flute and percussion Sonora (1981), for flute and harp I Ching (1982), for solo percussion Clarinet Trio No. 3 Lin (1986), for clarinet, cello and piano Syn (Vision) (1988), for brass quintet Strings (1992), for string trio Scintillation (1993), for septet of flute, clarinet, horn, violin, viola, cello and piano Roads to Ixtlan (1993), for 4 saxophones Wild Swans (1994), for 4 saxophones Dancers Around Jupiter (1995), for 4 saxophones Winter Music (1998), for flute, clarinet, percussion, organ, guitar and cello It's All His Fancy That (2003), for trumpet, trombone and piano Delta (2005), for saxophone, cello and piano Trio Breve (2012), for piano trio Piano/Keyboard Piano Sonata No. 1 (1953) Piano Sonata No. 2 (1957) Partita Concertante (1958), for