Listen to musical history. The Black Music City Showcase series honors Philadelphia’s vibrant Black music history and is hosted by public radio stations WRTI (90.1 FM in Philadelphia) and WXPN (88.5 FM) and talent incubator REC Philly. Check out the bodacious beats of DJ NASH, Zeek Burse and Sug Daniels. LOVE Park, 11:30 a.m. to 5:15 p.m., fre