Unexpected encounter came before band's Austin City Limits headline set
Thom Yorke surprises fans at the Austin City Limits Music Festival with a few bars of the Morrissey/Marr classic
Song is the new track from 'A Moon Shaped Pool' special edition
The expanded edition features two vinyl records, two CDs, extra tracks and more
The band debuted the video at the Mercury Prize ceremony<br />
The band have chosen one fan-made film to accompany the song<br />
Watch the clips now
The band are giving away limited editions prints and figurines<br />
Classic albums get double vinyl treatment
Sebastian Edge's 'Unseen Works' exhibition will take place at Metropolis Studios in the capital from October 13