I'm with Chuck on the Cecma discs. METAPHYSICAL QUESTION is a fine trio with John Lindberg and Thurman Barker, and TEAM WORK consists of Lindberg / Ragin duets. The Justin Time releases find Ragin playing very well in a number of diverse settings, but I find the challenges he sets for himself on these earlier dates the more interesting.
Of course, any of the Roscoe Mitchell releases with Ragin are worth hearing: SNURDY MCGURDY..., 3 X 4 EYE, MORE CUTOUTS...