John C. Reilly joined Bosstown Heavy onstage at a Charlestown pub, singing a Toots and the Maytals classic during an unexpected late-night cameo.

Zac Brown Band returns to Fenway Park Sunday with a chance to break its own sellout record. Brown has also promised a surprise he says could make music history.

Daniel Sloss brings his dark new show BITTER to Boston’s Wilbur for three performances next weekend, with opening night already sold out.