I have Night of the Purple Moon, which is pretty similar in style to stuff like Cosmic Tones for Mental Therapy... very percussive spaced out weirdness. I'd definitely recommend it.
I've been really enjoying the Ra records from the late 50 and early 60s when his music was still firmly rooted in the hard bop sound. It boggles my mind that he's not held in the same regard as guys like Mingus.
If you don't have the
revenant Stanely Brothers LP yet that has alot of their best stuff on it. They were always good, but they tamed their sound alot as they got older. This LP has their rawest recordings. Great great stuff.