Good Music on Instagram: "In this episode, Metallica (the legendary heavy metal band) join comedian Billy Eichner in a car to sing along to songs—including Rihanna’s Diamonds. It’s a humorous and unexpected contrast: a band famous for intense thrash metal screaming “shine bright like a diamond.” Fans loved this because it showed Metallica’s lighter, fun side. They weren’t performing their usual heavy riffs, just singing pop karaoke and joking around with Eichner."

Lord Rare Rock on Instagram: "GEEZER - Black Sabbath perform “N.I.B.” In this song, Satan falls in love with a human woman and tries to seduce her. He turns out to be very charming and the early lyrics are quite poetic. The title refers to drummer Bill Ward’s beard. The band called him “Nibby” because they thought it looked like the nib on the end of a pen (Ozzy came up with the nickname when he on acid and thought Geezer Butler was turning into a fountain pen). Says Butler: Originally it was Ni