Alex Greenwald, Michael Runion, Z Berg, James Valentine, Jason Boesel JJAMZ Five successful artists go from musical friendship to supergroup  It’s a steamy summer afternoon, and Elizabeth “Z” Berg is in a van with the rest of the newly formed band JJAMZ, ready to embark on a 24-hour trip from Austin, Texas, to Billings, Mont. “Well, I’ll get a book read. That’s a positive,” Berg chuckles. “Somehow I am built for tours, which is good... 

BRIGHT EYES Conor Oberst and company reinvent themselves once again Could Bright Eyes be doomed? Rumors of the indie-rock powerhouse’s demise spread like wildfire when frontman Conor Oberst said in an interview that he had been thinking about bringing the band to an end. But fans can relax—for now, at least. “I was probably feeling that way that day,” he says. “But we’re just focused on getting the new record out and doing the tour. That’s...