#1-8 originally issued as "New Bottle, Old Wine" (World Pacific WP 1246)
Recorded on April 9 (1,2,5,6), May 2 (3), May 21 (7,8), 1958 at Judson Hall in New York City

#9-15 originally issued as "Great Jazz Standards" (World Pacific WP 1270)
Recorded in early 1959 at Webster Hall, New York City (9,10,13)
Recorded in February 2, 1959 at Webster Hall, New York City (11,12,14,15)

Recordings previously reissued in 1975 as "Pacific Standard Time" on Blue Note BN-LA461-H2 (2 lps).