Today in Rock History 4/22

Here's your daily look at 'Today in Rock History' featuring: Daniel Johns is 41. The Silverchair singer who let Natalie Imbruglia get away. Peter Frampton is 70. Glen Campbell was born on this day in 1936 and J. Robert Oppenheimer in 1904. Today in 1966, "Wild Thing", by the British band The Troggs, was released in the U.S. The theme song of the rebellious pitcher Charlie Sheen played in the "Major League" movies was a cover by the L.A. punk band, X. In 1969, for some reason, John Lennon legally changed his middle name . . . from John Winston Lennon to John Ono Lennon. In 1970, the first Earth Day was celebrated. In 1978, John Belushi and Dan Aykroyd first appeared as The Blues Brothers on "Saturday Night Live". In 2004, Pat Tillman was killed by friendly fire in Afghanistan. He's the NFL player who enlisted in the Army because of September 11th, leaving a lucrative NFL career behind. RIP