The rapper behind the viral earworm "Gucci Gucci" proves a bratty, insult-slinging MC can turn into a trash-pop princess, given a jittery enough dance beat and a little de-snarking. There's a familiar storyline – lifting stepdad's plastic, doing doughnuts in the parking lot – but the raft of earnest la-la-las speaks to her liberation.

Listen to "Go Hard":

“Help Me”

Joni Mitchell wrote and recorded this song for her album Court and Spark, but she had to switch from her regular band to make the song sound exactly the way she wanted. "I had attempted to play my music with rock & roll players," she told Rolling Stone. "They’d laugh, 'Awww, isn't that cute? She's trying to teach us how to play.'" Mitchell switched to a jazz band, Tom Scott’s L.A. Express, and scored the biggest hit of her career in the process.