Sam KemererIssue date: 4/19/10 Section: OpinionHey Taylor, a few thousand people called, they had an amazing time at Springfest!The opener, The Rocket Summer, was great. The Rocket Summer is the rock solo-project of Stephen Bryce Avary, a Dallas based multi-instrumentalist, singer-songwriter, and producer. He writes and produces every song on his records and plays every instrument on the records. However, for the show, he hired several musicians. The band did a great job getting the crowd involved. During a portion of the show, they even left the stage and played in the middle of the crowd.The