7. Fairytale of New York by Shane MacGowan and Kirsty MacColl
Here is a nice choice for the karaoke duets for male-female singers, if you like Irish music, and this one being a folk-influenced Christmas ballad, written by the genius Shane MacGowan of the legendary Pogues. But funny thing about this sin is, despite talking about New York and even though being popular and high on charts in the UK, it is barely known in the US.