M3 Rock Festival returns to Columbia, Maryland on May 1-2, 2026, featuring a powerful lineup of rock and metal artists. The two-day festival showcases headliners Tom Keifer and Queensrÿche alongside notable acts including Buckcherry, White Lion, Faster Pussycat, and Quiet Riot. With its focus on rock, metal, prog rock, alternative metal, and sleaze rock, M3 Rock Festival delivers a diverse range of heavy music genres. The festival features 10 performing artists, creating an intimate yet comprehensive rock music experience for fans of classic and contemporary metal sounds.

M3 Rock Festival is a two-day standalone music festival.