Listen to Mike Lapitino this week at 5:30pm to win tickets to guitar icons Joe Satriani and Steve Vai at The Palace Theater in Waterbury on Sunday, April 7. Be the ninth caller at 882-WPLR and correctly Guess That Riff to win! Tickets are on sale at palacetheaterct.org. Powered by Palace Theater in Waterbury. Must be Connecticut resident, 18 years…