Marshall Allen played reeds with Sun Ra for decades. Matthew Shipp has created one of the most distinctive piano voices of his generation. Joe Morris will anchor on bass, an instrument he mastered after first establishing himself as a guitarist. At the CareFusion Newport Folk Festival in Newport, R.I., the meeting of three top free improvisers is sure to produce sparks.
Personnel: Marshall Allen, winds; Matthew Shipp, piano; Joe Morris, bass.