Time Out New York describes the collaboration between free jazz pioneers Burton Greene and Perry Robinson as “spare klezmer-based improvisation: sometimes playful, sometimes achingly somber… just the right kind of mellow.” The two musicians, old friends, will be performing at the Museum at Eldridge Street Sunday afternoon at 3. See the details on the Museum’s web site. Here’s a look at Greene and Robinson from a gig last year at The Local 269: