He'll mark 30 years with Bruce Springsteen's outfit in June this year - but he remembers how his first-ever appearance made him feel like he was a "deer in the headlights."

Lofgren tells Rolling Stone: "I was on the front line with Bruce, and I learned early on he likes to improv a lot; call you over and have you sing over there instead. The main thing I learned is you have to watch him.