Recorded at Rudy Van Gelder’s legendary Hackensack Studio on July 23rd and November 7th, 1956.

July 23rd, 1956:
Tenor Sax - Hank Mobley
Trumpet - Donald Byrd
Piano - Barry Harris
Bass - Doug Watkins
Drums - Kenny Clarke

November 7th, 1956:
Tenor Sax - Hank Mobley
Trumpet - Lee Morgan
Piano - Hank Jones
Bass - Doug Watkins
Drums - Art Taylor