Mansfield Patch's Weekend Agenda: Comcast Center Events, Wizard of Oz Tryouts, Event at Borderland

Take a look at what's happening in and around Mansfield this weekend:

• The Allman Brothers Band is playing is playing at the Comcast Center tonight at 6:30 p.m.
• Also at the Comcast Center is the Blake Shelton: Ten Times Crazier Tour, tomorrow night at 7:30 p.m. 
• This Sunday at the Comcast Center is the Funny or Die Oddball Fest, featuring Dave Chappelle, Flight of the Concords, Dimitri Martin, Al Madrigal, Hannibal Buress, and Kristen Schaal 
• This Saturday at Borderland is the "Architecture Tour: A Story in Stone," from 2:30 to 3 p.m. For adults and older children.
• Auditions for Un-Common Theater's production of The Wizard of Oz are this Sunday from 2 to 5 p.m. at 1 School Street in Forxboro.