Erykah Badu with The Roots

The Roots
Though popular success has largely eluded the Roots, the Philadelphia group showed the way for live rap, building on Stetsasonic's "hip-hop band" philosophy of the mid-'80s by focusing on live instrumentation at their concerts and in the studio.

Erykah Badu
She grew up listening to '70s soul and '80s hip-hop, but Erykah Badu drew more comparisons to Billie Holiday upon her breakout in 1997, after the release of her first album, Baduizm. The grooves and production on the album are bass-heavy R&B, but Badu's langurous, occasionally...