Nils Hilmer Lofgren (born June 21, 1951) is an American rock musician, recording artist, songwriter, and multi-instrumentalist. Along with his work as a solo artist, he has been a member of Bruce Springsteen's E Street Band since 1984, a former member of Crazy Horse, and founder/frontman of the band Grin. Lofgren was inducted into the Rock and Roll Hall of Fame as a member of the E Street Band in 2014.