ON APRIL 20^TH…

In 1959…A 13-year-old Dolly Parton released her first single, “Puppy Love.”

In 1968…Deep Purple made their live debut in Tastrup, Denmark.

In 1968…Trying to drum up business, The Beatles’ Apple Records invited the public to send demos to the label’s London offices.

In 1976…George Harrison joined Monty Python on stage and sang “The Lumberjack Song.”

In 1976…The Rolling Stones finally released their long-awaited album Black and Blue.

In 1981…John Phillips of The Mamas and the Papas pleaded guilty to charges of drug pushing. He spent 30 days in prison and was made to do 250 hours of community service.

In 1987…In Rhode Island, police considered charging a youth who was said to have bitten the head off a gerbil in tribute to Ozzy Osbourne.

In 1991…Bruce Hornsby, Willie Nelson, Rosanne Cash, Jackson Brown, 10,000 Maniacs, Queen Latifah and The Indigo Girls played a concert in Massachusetts to celebrate Earth Day.

In 1992…In London, Elton John, Guns N’ Roses, Roger Daltrey, Liza Minnelli, David Bowie, George Michael, Def Leppard and Spinal Tap all performed at a memorial concert for Queen’s late singer Freddie Mercury.

In 1996…Tickets went on sale for Kiss’ Reunion Tour.

In 1999…Billy Joel performed what he said was going to be his last pop concert at New Jersey’s Meadowlands.

In 1999…The Clash’s 1980 triple-album, Sandinista!, was finally certified gold.

In 2000…Robert Plant left his handprints in cement outside the Theatre of the Stars in Orlando, Florida.

In 2003…Hope, an album to benefit child war victims in Iraq, was released and featured tracks from Paul McCartney, David Bowie, George Michael, Leonard Cohen, Moby and Avril Lavigne.