Update: The line-up is now on Amp Radio’s website. Ariana Grade will perform first at 2pm followed by Drop City Yacht Club, Timeflies, Sammy Adams, Selena Gomez, & Jason Derulo. The show ends at 5pm.

Save the Date! Amp Radio 103.3 is having a Free Birthday Bash at City Hall Plaza on Sunday, June 30th, 2013! The free concert includes Selena Gomez, Ariana Grande, Jason Derulo, Sammy Adams, and more acts to be announced!

Vendors will open at 11am, and the music should start at 2pm. For more information, please visit here or the Facebook event page here.

Cross your fingers for a beautiful summer day!