It's not actually a real song; it's the piano hook from the song "California Soul" by 60's and 70's jazz vocalist Marlena Shaw. You can listen to part of the song here: www.voxmusicweb.com/record_new/0150.html
> Who is the artist on this commercial? Also, what is the song? Thanks in advance.
> (This is the Pizza Hut commercial advertisng PZones).