The 20 richest musicians of all time – You’ll never guess the billionaires (+Pics)

8. Mariah Carey: $500 million

Carey’s been banking off that five-octave range since Nicki Minaj was actually playing with Barbies. Her stats are the stuff of legend: an all-time record 18 #1 singles as a solo artist, more than 200 million albums sold worldwide, five Grammys, and the status as the most wealthy living female musician. And then, of course, there’s Idol.