Sonya Major is a vocalist and pianist out of the Chicago area. As a solo artist, she performs with a piano, as well as a looper pedal. She delivers powerful vocals with her soulful originals, as well as countless covers. She accompanies herself on the piano, and throws several vocal looping numbers in the mix. An example of her live vocal looping can be found here:
https://www.youtube.com/watch?v=MRuNtSDxNiw