The song "Grease," sung by Frankie Valli in the 1978 movie, was written by Barry Gibb of The Bee Gees.

The first big hit to blend EDM with country music was "Wake Me Up" by the Swedish DJ Avicii. He put the song together with Mike Einziger of Incubus and with Aloe Blacc, who sings on it.

Thirty years after Jimi Hendrix played "Fire" at Woodstock, Red Hot Chili Peppers played it at Woodstock '99, but this time the unruly crowd actually set fires and looted.

Country star Slim Whitman's version of the 1920s song "Rose Marie" spent 11 consecutive weeks at #1 in the UK in 1955, a record until 1991 when Bryan Adams’ "(Everything I Do) I Do It For You" spent 16 weeks at the top.

"Back In The U.S.S.R." by The Beatles was play on "California Girls" by The Beach Boys, with "Moscow girls" and "Ukraine girls" instead of the all-American girls.

On the surface, "Summer Breeze" by Seals & Crofts is just a song about a guy coming home from work, but the duo claimed it had a deeper meaning about finding direction in one's personal life.
Harry Wayne Casey tells the stories behind KC and The Sunshine Band hits like "Get Down Tonight," "That's The Way (I Like It)," and "Give It Up."
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
Tim and his brother Richard are the Furs' foundation; Tim explains how they write and tells the story of "Pretty In Pink."
Danny played guitar on Sweet Baby James, Tapestry, and Running On Empty. He also co-wrote many hit songs, including "Dirty Laundry," "Sunset Grill" and "Tender Is The Night."
Nick made some of the biggest videos on MTV, including "The Final Countdown," "Heaven" and "Don't Know What You Got (Till It's Gone)."
Oliver Leiber talks about writing and producing hits for Paula Abdul, and explains his complicated relationship with his father, the songwriter Jerry Leiber.