Recorded live at The Boston Jazz Workshop, Massachusetts, February 14, 1971.
Download: https://mega.nz/folder/vtEolUpY#pNb9qZNArJpxDNTVa0A05W
Tracklist:
1. Improvisation I (February 14, 1971) - 57:32
2. Improvisation II - Conceptualism (February 14, 1971) - 52:10
3. Improvisation III (February 14, 1971) - 42:27
Credits:
Sam Rivers (soprano sax, tenor sax, flute, piano, vocals)
Cecil McBee (double bass, vocals)
Norman Connors (drums, percussion, vocals)
Ed Michel (session producer)
Performance breakdown:
Improvisation I: ss section - 14:09; voc + b + voc + voc - 1:04; voc + fl section - 11:52; b solo - 3:41; p section - 11:46; dr solo - 2:38; ts section - 15:00; ts + dr duo - 2:58; ts section - 3:18.
Improvisation II - Conceptualism: voc with b + dr -1:48; ss section - 8:04; b solo with bells + slide whistle - 5:08; fl + voc section - 16:14; dr solo - 1:26; p section - 15:09; ts section - 3:57.
Improvisation III: ss section - 14:28; b solo - 3:07; ss + voc section - 5:06; fl section - 5:56; b solo - 2:26; p section - 7:19; dr solo - 3:39.
