Local music schedule has something of a friends’ theme this weekend By Denny Dyroff, Staff Writer, The Times Def Lepard guitarist Phil Collen leads Delta Deep into the area this weekend. Phil Collen is no stranger to music fans around the world. Collen is the lead guitarist for both British rock band Def Leppard and alternative roots/rock band Manraze. Collen, one of England’s top guitarists,...