Prince's 'Family' Tree: See the Purple One's Musical Universe
![Prince's 'Family' Tree: See the Purple One's Musical Universe](http://www.billboard.com/files/styles/promo_225/public/media/prince-holding-guitar-up-2011-canada-billboard-650.jpg)
Prince's recording career is among the most prolific in music history, with 39 studio albums spread across the 38 years since his 1978 debut, For...
Prince's recording career is among the most prolific in music history, with 39 studio albums spread across the 38 years since his 1978 debut, For...