2. Rihanna’s “Diamonds,” Co-Written by Sia
The notoriously press-shy Sia is also an incredibly prolific songwriter, having penned a number of hit songs for artists like Beyoncé, Britney Spears, Kylie Minogue, and Rihanna. She co-wrote one of Rihanna’s biggest tracks, the 2012 hit “Diamonds.” In fact, in an interview with The New York Times, Sia opened up about how long this iconic song took her to write—just 14 minutes. And for more secrets behind your favorite music, check out these 30 Famous Songs Everyone Misinterprets.