Track Title:               Why Not!  (Manhattan Carnival)

Album Title:               Anthology - Down in Birdland, disc 2
Prime Artist:              Manhattan Transfer
Producer:                  Richard Rudolph
Producer:                  Manhattan Transfer

Written by:                Michael Camilo
Written by:                Julie Eigenberg
Written by:                Hilary Koski

Lyrics:
http://www.thepeaches.com/music/