Best of Boston

Karaoke at this Cambridge dive can be a Darwinian proposition—despite Courtside’s rec-room feel, every singer’s out for herself on Thursdays, Fridays, and Saturdays. But that’s part of the fun. Lubricated by cheap pitchers of beer and egged on by crowds that only get feistier as the night wears on, singers who take Courtside’s “stage” revel in their four-ish minutes of glory, leaving the next person itching to try to win over the room with even larger antics.