Diamond Stone and Michael Archer said the singer was a “pioneer of rap music,” beginning her musical career as part of the female rap trio The Sequence.

The Neo Soul singer was killed early Saturday morning when riding back into Atlanta from Alabama when the vehicle she was in was hit by a rig and flipped over.

Grammy-nominated R&B singer Angie Stone, a member of the all-female hip-hop trio The Sequence and known for the hit song “Wish I Didn’t Miss You,” was killed early Saturday in a car crash.