Oh So Blue
Context
Oh So Blue, by Leon Mitchell, is the longest piece on Speakin' My Piece (7 min 41). AllMusic describes the whole as a "charming and relaxed" session.
In the genealogy of jazz
This track belongs to Hard bop, Soul jazz, boogaloo. Among the origins and influences of Hard bop: Blues, spirituals, work songs, Bebop (Minton's, Monroe's).