Erik Brann, American singer-songwriter and guitarist (d. 2003)

Erik Keith Brann (born Rick Davis; August 11, 1950 – July 25, 2003), also known as Erik Braunn, was an American guitarist with the 1960s acid rock band Iron Butterfly. He was featured on the band's greatest hit, the 17-minute In-A-Gadda-Da-Vida (1968), recorded when he was 17.