Last 3 months...I won't be doing another one of these for a while as my computer monitor died.
Fat Freddy's Drop 42
The Black Seeds 39
Fink 35
Melody Gardot 33
Everything but the Girl 31
Gotye 29
Bonnie Raitt 28
Radiohead 28
José González 26
B.B. King 24
John Legend 24
Jeff Buckley 22
Wilson Pickett 22
Susan Tedeschi 22
Viva Voce 19