The Rains of Castamere, from Game of Thrones.
Odd.
(Also the main Game of Thrones theme tune, because in my head the lyrics are "Peter Dinklage, Peter Dinklage, Peter Dinklage, Peter Dinklage, Peeeeeterrrrrrr Diiiiinklaaaaage, Peter Dinklage, Peter Dinklage, Peter.....")