Boston Calling Music Festival is a multi-day, multi-stage, outdoor festival featuring the biggest acts in live music, DJs, and visual arts. It is held at Harvard’s Athletic Complex in Allston, MA on Memorial Day weekend. With more than 50 performances across 4 outdoor stages, the best food in Boston, 100 foot Ferris wheel, art installations, life-size games, and other exciting activities making this the biggest music event in Boston.