Otis Redding often ad-libbed vocals at the end of songs, but for "(Sittin' On) The Dock Of The Bay" he just whistled instead - it became some of the most famous whistling in song history.
16-tear-old Lorde wrote the lyrics to "Royals" at home in just half an hour. She was inspired by the "ridiculous, unrelatable, unattainable opulence" that runs through such albums as Kanye West and Jay-Z's Watch the Throne and Lana Del Rey's Born To Die.
"Happy Xmas (War Is Over)" is based on billboards John Lennon and Yoko Ono posted two years earlier declaring "War Is Over! If You Want It."
The first female rapper to perform on a #1 hit? Surprisingly, it's Lil' Kim with the 2001 remake of "Lady Marmalade" for the movie Moulin Rouge. She was was joined on the track by Christina Aguilera, Missy Elliott, Pink and Mya.
Ed Sheeran's "Bloodstream" was written after an experience taking MDMA during a wedding celebration in Ibiza; it's basically about all the feelings that he got from that time.
Quincy Jones wanted to change the title of "Billie Jean" to "Not My Lover" so it wouldn't be confused with the tennis star Billie Jean King. Michael Jackson refused.
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?
A selection of songs made to be terrible - some clearly achieved that goal.
Established as a redoubtable singer-songwriter, the Men At Work frontman explains how religion, sobriety and Jack Nicholson play into his songwriting.
Michelle Branch talks about "Everywhere," "The Game Of Love," and her run-in with a Christian broadcasting network.
Dokken frontman Don Dokken explains what broke up the band at the height of their success in the late '80s, and talks about the botched surgery that paralyzed his right arm.
Find out how God and glam metal go together from the Stryper frontman.