APPEARANCES +
Willem Pijper
The Man Who Revitalized Creativity In Dutch Music
1972, 4xLP + Box, Radio Nederland
Various
Dutch Soloists And Ensembles
1971, 7xLP + Box, Radio Nederland, 
Will Eisma, Peter Schat, Jan Van Vlijmen, Ton De Leeuw
Opus 69 - Introducing Dutch Avant-Garde Music That Came To the Fore In 1969
LP, Radio Nederland