A nationwide poll by the Brits of 3,000 people has placed Tom and the Stereophonics performance of Mama Told Me Not To Come as the nation's favourite Brit Awards duet.Tom and the bands performance at the Brit Awards in 2000 beat Jay-Z and Alicia Keys' performance of Empire State Of Mind in 2010 and Rihanna's duet with London rock band the Klaxons in 2008, to be the number one Brit pair-up.