"You Shouldn't Have" is a playful, whimsical homage to the famous Thelonious Monk jazz standard "Well, You Needn't." The tune features bop, swing, and elements of Latin jazz while showcasing a virtuosic trumpet backed by tenor saxophone and rhythm section.

Key details about the piece and artist:

• Album: Those Paris Nights (2000)

• Genre: Jazz, bop, swing

• Artist: Bob Kase

• Length: 6 minutes and 3 seconds