Cosmic jazz on the Delaware River

Sun Ra was one of the greatest and least known jazz artists of the last four decades. He died in '93, but his Arkestra lives on. Expect music like retro Gershwin swing that morphs into cosmic tones, all in the same song.

Where: Spruce Street Harbor Park at 301 S. Columbus Blvd. 19106

When: August 25, 2016 from 6:30 p.m. to 9:30 p.m.

How much: Free