While his next official album ripens in the blazing South Florida sunshine, Rick Ross has delivered a delicious appetite-whetter. Rich Forever is a mixtape that plays like an album, with blaring, heraldic production by the likes of ­Boi-1da and up-and-comer Beat Billionaire, plus guest appearances by Drake, Nas and Diddy. Themewise, Rich Forever is business as usual – which is to say, all business. Ross remains monomaniacally focused on monetary matters, spinning punch line after punch line about luxury cars, dripping jewels and high-grade cocaine. Finest zinger: "I got them keys in the crib/You wouldn’t find 'em if you had the keys to the crib." Best line about multitasking: "Fornicating/Counting money with a fuck face."

Listen to "Stay Schemin (feat. Drake & French Montana)":  
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“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.