The Rolling Stones’ debut turn at the U.K.’s landmark Glastonbury music festival garnered a 2.5 million peak audience for the BBC on Saturday night.

Overall, the coverage scored an average of 2.1 million TV viewers.

The Stones’ screen audience figure is expected to be in the tens of millions by the time viewers on the BBC’s free online VOD catch-up service iPlayer get counted.

The band has been performing for rock audiences for 50 years, but finally made its debut appearance at Glastonbury, with Mick Jagger telling the crowd they looked amazing.

Read the full story: Billboard