| Dated: | 1959 |
| Instrumentation: | 56 musicians divided in 2 orchestras with 2 conductors: 2 (+2 picc), 2, 4 (+2 e-clarinet, +2 bass clarinet), 4 (+2 contrabassoon) - 0, 4, 2, 0, 2 percussioninsts, strings (12, 12, 0, 8, 4) |
| Timing: | variable (around 10') |
| Premiere: | October 18, 1971 in Hilversum, The Netherlands, performed by the Radio Orchestra, dirs. Diego Masson and Fernand Terby |
| Dedicated to: | |
| Commissioned by: | |
| Published: | Editions Salabert |
| Duel is a game between 2 orchestras and 2 conductors |