Glenn Gould /
Strauss /
Piano Piece No. 4 in A-Flat Major, TrV 105
August 6, 1979 in Toronto - Eaton Auditorium
- ( 1 LP ) CBS D 38659
- ( 1 LP ) CBS IM 38659
- ( 1 LP ) CBS Japan 28AC 1794
- ( 1 CD ) CBS MK 38659 EU
- ( 1 CD ) CBS MK 38659 US
- (80 CD) Sony 88697147502
- ( 1 CD ) Sony 88697148562
- ( 2 CD ) Sony 88725413702 - 00:03:28
- (81 CD) Sony 88875032222
- ( 2 CD ) Sony SM2K 52657 - 00:03:28
- ( 1 CD ) Sony Japan SICC-2059