Glenn Gould /
Byrd /
Hughe Ashton's Ground, MB 20

April 18, 1971 in New York City - CBS 30th Street Studios
- ( 1 LP ) CBS MP 39552
- ( 1 LP ) CBS S 72988
- ( 1 LP ) CBS Japan 18AC 959
- ( 1 LP ) CBS Japan 25AC 2011
- ( 1 LP ) CBS Japan SOCO-3
- ( 1 LP ) Columbia M 30825
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- (80 CD) Sony 88697147502
- ( 2 CD ) Sony 88725413722 - 00:09:53
- (81 CD) Sony 88875032222
- ( 1 CD ) Sony SMK 52589 - 00:09:52
- ( 1 CD ) Sony Japan SICC-1784
- ( 1 CD ) Sony Japan SICC-851
- ( 1 CD ) Sony Japan SRCR-1927

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