Belgian singer Selah Sue just stepped through the Okayplayer office and mesmerised us with a private concert right at our desks (who says Google is the best place to work?)--and then promptly left to debut her new single with J. Cole on Hot97. Check out the remix of "Ragamuffin" put down by our good personal peoples Supa Dups (Large Up!) and you might get mesmerized, too (purchase the original version of "Raggamuffin" on iTunes now).