Taylor Mac, the genre-defying winner of a 2017 MacArthur "Genius" Grant, recipient of the 2017 Edward M. Kennedy Prize for Drama, and a finalist for the 2017 Pulitzer Prize for Drama, in the epic 24-hour performance art concert, A 24-Decade History of Popular Music, in its entirety in four six-hour chapters March 15, 17, 22 and 24 at 6 p.m. at The Theatre at Ace Hotel in downtown Los Angeles.