An American musician, composer and producer, Cassandra O'Neal's musical resume includes working with artists such as Pink, 98 Degrees, Avant, Chante Moore, Mary J. Blige and Macy Gray.

She's played keyboards on various recordings, such as LeAnn Rimes' What a Wonderful World, So Amazing: An All-Star Tribute to Luther Vandross, and BabyFace's Grown & Sexy. O'Neal has also performed on various television shows such as The Ellen Degeneres Show, Jay Leno Tonight Show, the 2002 MTV Video Music Awards, and the 36th NAACP Image Awards.

Joining Prince's band in 2009, she's been a keyboards player in The NPG ever since.