Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.
Cyndi Lauper's hit "All Through The Night" was written and originally recorded by Jules Shear, who also wrote "If She Knew What She Wants" by the Bangles.
Pete Townshend never had a #1 UK hit with The Who or as a solo artist, but he did produce and play on a song that hit the top spot there: "Something In The Air" by Thunderclap Newman, a group he assembled.
Phil Collins' "Take Me Home" is about a patient in a mental institution and was inspired by the novel One Flew Over the Cuckoo's Nest.
Calvin Harris' "Blame" was the first song to break 10 million streams in a week on Spotify. The record was set during the seven days of September 8 to September 14, 2014.
The original "Enter Sandman" lyric was about crib death, with the "sandman" killing a baby.
We've heard of artists putting their hearts into their music, but some take it literally.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
As a songwriter and producer, Narada had hits with Aretha Franklin, Whitney Houston, Mariah Carey and Starship. But what song does he feel had the greatest impact on his career?
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
Dave reveals the inspiration for "Feelin' Alright" and explains how the first song he ever wrote became the biggest hit for his band Traffic.