MUSIC: If you see a lot of guitar-toting ladies and gents around the Puck Building right now, that's because CMJ has officially begun. This means there is a ton of music happening (including at our own Gothamist House starting tomorrow). Tonight we suggest hitting up Brooklyn Vegan's show at Bowery Ballroom: Voxtrot, The Rosebuds, Dean & Britta...and so many more. 6pm // Bowery Ballroom [6 Delancey St] // $16, or free with badge THEATER: A.R.......

EVENT: What do Bob Dylan and the Brooklyn Bridge have in common? They both get a year older today! Bob turns 66 and the Bridge turns 124. To help celebrate the latter, there's a bike ride across the structure. There will also be cake and historical stories to keep you physically and mentally satiated. Related: There's also a walking tour of the Bridge on Saturday. 7 to 9pm // City Reliquary [370 Metropolitan Ave,......

THEATER: The esteemed Classical Theatre of Harlem is reviving Peter Weiss’s masterpiece Marat/Sade. The dizzying action takes place in an asylum in France, where the infamous Marquis de Sade is sequestered in 1808. To pass the time, he directs a play about the assassination of Jean-Paul Marat during the revolution. His asylum casting pool yields up some magnificent performances, though the production is almost squelched by the hospital administrator, a tool of Napoleon’s post-revolutionary regime.......