Recorded on April 7, 1970 (tracks A1, B1, B3) and on April 8, 1970 (tracks A2, A3, B2).
Mid seventies repress version with solid blue labels and white "b" logo used between 1975 and 1978 -according to https://londonjazzcollector.files.wordpress.com/2020/06/blue-note-labels-cheat-sheet-1600-updated-2020-06-15-1.jpg.
This version has title printed on 2 lines on labels. publishing : A1 to B2 Litha Music B3 Miyako Music