MOCAD in Detroit will be screening Wattstax on April 26 at 8 p.m. The film is about a benefit concert organized by Stax Records to commemorate the seventh anniversary of the 1965 Watts riots. The concert includes performances by Isaac Hayes, Staple Singers, The Bar-Kays and more. Admission is $5 or free for MOCAD members. Doors open at 7 p.m. For more information, visit mocadetroit.org.