1983.  - arditti string quartet - akroate hadal (fuer strei,arditti, irvine - quasara / pulsare (fuer violine,knox, garth -.  .  .  'risonanze!.  .  . ..

2020. Released in memory of the great late contrabass player Stefano Scodanibbio (1956 -2012), this CD contains previously unreleased pieces performed with maverick figures such as Terry Riley (synth), Rohan de Sara..

1990.  - knox, garth - prologue (pour alto seul) (1976),knox, garth - periodes (pour 7 musiciens) (1974),knox, garth - partiels (pour 18 musiciens) (1975),disk 2:,knox, garth - modulations (pour 33 musicie..