Video footage of Radiohead rehearsing their recent Grammy Awards performance with the University of Southern California (USC) Marching Band has been uploaded to YouTube.
The nine-minute video shows frontman Thom Yorke giving the marching band – which included drummers, tuba players and trumpet players – instructions as they rehearse '15 Step' at Sony Studios in Los Angeles.
To watch the footage, which was shot by USC members, scroll down and click on the video below.












