Instagram/John Legend & Janelle Mon Music John Legend, Janelle Monáe, and Parliament Funkadelic headline the inaugural L.A. Jazz Festival's closing weekend. 17 days, 13 nations, 250K attendees. May 2, 2026 AceShowbiz - The first group of artists set to perform at the inaugural L.A. Jazz Festival has been announced, featuring an impressive lineup including John Legend, Janelle Monáe, Parliament Funkadelic with George Clinton, Raphael Saadiq, and Charlie Wilson. These performers will headline the festival's Jazz on the Beach closing weekend, scheduled for August 22 and 23 in Los Angeles.