Opus est: Six composers from northern Europe 
Subtitle: Matthijs Vermeulen, Vagn Holmboe, Havergal Brian, Allan Pettersson, Fartein Valen, Kaikhosru Shapurji Sorabji
Publisher: Kahn and Averill
Published: 1978
Language: eng
Format: Unknown Binding
Number of pages: 200
ISBN-13: 9780900707483
Subjects: Europe, Northern; Biography; Music; 20th century; Composers; History and criticism