Invite Only – Primary Wave Music announced that Rock and Roll and Songwriters Hall of Fame inductee John Mellencamp will headline its annual pre‑GRAMMY party presented by VENU at the Waldorf Astoria Beverly Hills on Saturday, January 31, 2026. The highly anticipated event will celebrate 20 years of Primary Wave’s legendary catalog and feature exclusive live performances from GRAMMY‑nominated Trombone Shorty, along with very special DJ sets from CeeLo Green and Grandmaster Flash, The Architect of Hip Hop, with additional surprise performances slated throughout the evening.