| duration | |
| SYMPHONY No. 1, 1968 (rev. 1992) | 25 |
| SYMPHONY No. 2, 1971 (rev. 1995) | 25 |
| SYMPHONY No. 3, 1972 (rev. 1996) | 35 |
| SYMPHONY No. 4, 1990 (rev. 1999) | 50 |
| SYMPHONIC Scherzo (2001) | 12 |
| A CELEBRATION OVERTURE (1988) | 13 |
| FESTIVE MARCH (1989) | 13 |
| SUITE FROM THE OPERA DIC PENDERYN (1980) | 20 |
| SUITE FROM THE BALLET THE WOMEN OF TROY (1969) | 20 |
| SINFONIETTA for large Wind Orchestra (1975) | 34 |
| THRENOS for Chamber Orchestra (1967) | 30 |
| SINFONIETTA for Chamber Orchestra (1976) | 30 |
| SUITE FROM THE CHAMBER OPERA THE WREN for 8 players (1963) | 20 | A CELEBRATION OVERTURE (1988) | 13 |
| FESTIVE MARCH (1989) | 13 |
| SUITE FROM THE OPERA DIC PENDERYN (1980) | 20 |
| SUITE FROM THE BALLET THE WOMEN OF TROY (1969) | 20 |
| SINFONIETTA for large Wind Orchestra (1975) | 34 |
| THRENOS for Chamber Orchestra (1967) | 30 |
| SINFONIETTA for Chamber Orchestra (1976) | 30 |
| SUITE FROM THE CHAMBER OPERA THE WREN for 8 players (1963) | 20 |
FILM MUSIC
| duration | |
| IN THE AFTERNOON OF WAR (1975) | 24 |
| GIRO CITY (1982) | 25 |
OPERAS
| duration | |
| DIC PENDERYN (full opera) (1980) | 3 hours |
| THE WREN (chamber opera) (1963) | 45 |
BALLET
| duration | |
| THE WOMEN OF TROY (1969) | 50 |
CHAMBER MUSIC
| duration | |
| CONTEXTURE IN PARALLAX 1" (1967) (for Wind Octet) | 10 |
| CONTEXTURE IN PARALLAX 2" (1972) (for Wind Quintet) | 25 |
CHORAL
| duration | |
| A CELEBRATION ANTHEM for Choir and Orchestra (1976) | 15' |
CONCERTOS
| duration | |
| SERENATA for Horn and Strings (1962) | 15' |
| Concerto for Tuba and Strings (1961) | 15' |
SONGS WITH PIANO
More than 80 songs between 1960 and 1964.