Joan Jett at UPAC
Saturday, August 4: After founding the Runaways at the age of 15, Jett went on to score eight platinum and gold records and nine Top 40 hits with the Blackhearts. The Rock and Roll Hall of Fame inductee was also ahead of the curve on the industry side, founding her own Blackheart Label in 1980 after being rejected by a bevy of major labels who must still be smarting about it.