Some of Herbie Hancock's pre Headhunters stuff might fit the bill. Especially his Maiden Voyage and Speak Like a Child LPs.
http://www.youtube.com/watch?v=hwmRQ0PBtXU
http://www.youtube.com/watch?v=lTNLWi-xAkE
And if you don't mind his later more fusiony side Man-Child is a terrific album.
http://www.youtube.com/watch?v=4uNaOnO876s