Ah, 4/20. For better or worse, Colorado's new biggest holiday. There are worse things, after all, than the plethora of concerts in town tonight — surely, the best Monday in recent memory. You can catch the incredible block party Cervantes' is throwing once again, or Snoop Dogg's second "Wellness Retreat" (it's at Fiddler's Green this time) or any number of other shows. Our picks for the evening follow: 

420 in the Streets
12:00pm @ Cervantes' Masterpiece Ballroom

Jose Gonzalez
8:00pm @ Gothic Theatre

Lee "Scratch" Perry
10:30pm @ Cervantes' Other Side

The Infamous Stringdusters
7:00pm @ Boulder Theater

Saul Williams
7:00pm @ Marquis Theater

Snoop Dogg
5:30pm @ Fiddler's Green Amphitheatre

Billy & the Kids
8:30pm @ Ogden Theatre

• Things to Do