Here's a head chart for Herbie Hancock's "Promise of the Sun" from his 1975 release "The Prisoner". The album involves rather advanced harmony and extraordinary voicings. This piece is in D minor, although it modulates down a half step at bar 9, and develops as it moves onwards. The tune has pretty original textures and rhythms.
I haven't been able to find any sheet music for this tune. Does anyone out there have a head chart for this baffling piece. Also, please point out any slip-ups.