Duffy is one of those artists who, if you haven't heard yet, you will very shortly.
Top of pretty much every critics list of who to look out for in 2008. Many have compared her to Amy Winehouse, we think she's got more of a classic Dusty Springfield 60s soul sound in there, only with a bit more rasp.
Check out her chart-topping single, "Mercy" and see if the critics are right...
