More Music You Should Know About (M.Y.S.K.A.): What Norah Jones did for the piano, Corinne Bailey Rae does for the acoustic guitar.
Singing softly, quietly; a song as a conversation. Corinne Bailey Rae does this effortlessly, and with perfection. If you haven't heard of her yet, avail yerself here.
And her groove doesn't suck either: