[3] They were accompanied by the Oscar Peterson trio and Connie Kay on drums.

Two different versions of the same material, one recorded in Chicago and one recorded in Los Angeles by the same musicians, were released by Verve under the same title.

The original album liner notes apparently misidentified which recording came from which location on which date but later CD re-issue liner notes claim to have the corrected information.

According to the later CD liner notes, the stereo recording was made at the Civic Opera House in Chicago on September 29, 1957 and the mono recording was made at the Shrine Auditorium in Los Angeles on October 7, 1957.

CD re-issues have included all or most tracks from both concerts on a single disc This 1950s jazz album-related article is a stub.