Piccola musica concertata per tre tromboni, 3 timpani, orchestra d'archi, op. 79 - Delden, Lex van (Donemus, 1963)
Title from HTML t.p. (viewed Sep. 2, 2014). - Written in 1963. - 1 full score. - For 3 trombones and timpani with string orchestra. - Duration: 12 min. - "Reproduced from the composer's manuscript"--p. 1. - Includes program notes in Dutch