CHICAGO, IL – 1981: Singer Tom Petty, playing the guitar, performs on stage during a 1981 Chicago, Illinois, concert. Petty and his band, "The Heartbreakers," were in the middle of a 28-city tour of the United States. (Photo by George Rose/Getty Images)
American blues-influenced rock singer Janis Joplin (1943 – 1970) sings with passion into a microphone with her eyes closed as she performs on a darkened stage at the Fillmore East, New York, New York, February 11, 1969. The psychedelic rock band the 'Grateful Dead' opened up for Joplin at the concert. (Photo by David Fenton/Getty Images)
Circa 1967, American singer Janis Joplin (1943 – 1970) closes her eyes and outstretches her arms during a performance, late 1960s. (Photo by Getty Images/Getty Images)
Circa 1967, American singer Janis Joplin (1943 – 1970) closes her eyes and outstretches her arms during a performance, late 1960s. (Photo by Getty Images/Getty Images)
