This cosmic day into galaxial night mourns both former Sun Ra drummer Steve Reid and Festsaal Kreuzberg, while raising money for ailing alto great Arthur Blythe. The Horace Tapscott Memorial Ensemble and Astral Travel will be riding the spaceways, but most punters will be coming for the DJs, including Reid collaborator Four Tet, tastemaker Gilles Peterson, Jazzanova’s Alex Barck and Floating Points.