I find some details of the show on some site (phillyjazz.Jazzmatazz.info) --
Sun Ra Arkestra
under the direction of Marshall Allen
— featuring Sun Ra's arrangements of big band jazz stomps by Fletcher Henderson, Horace Henderson, Jelly Roll Morton, a.o.
— will include the world premiere of two new stomps composed and arranged by Arkestra trumpeter Fred Adams
— the Sedgwick youth jazz band will perform with the Arkestra on several pieces
— Sedgwick Cultural Center, 7137 Germantown Ave, Philadelphia
Apr 16 (Sat) — 8 pm — $15 advance / $22 door