Superstars Rascal Flatts return to Y100's Country USA next June. Be listening to win 5 day passes PLUS qualify for the grand prize of VIP Tickets, VIP Campsite, Country Club Pins AND Rascal Flatts meet and greets! Tickets for all 5 days of CUSA are only $55 through December 17th 800-326-SHOW or click here to get your advance discount tickets.

In case you missed them on Letterman, here's "Why Wait"