Rolling Stones singer Sir Mick Jagger said he finds his music career "intellectually undemanding" and his original job choice of being a teacher might have been a "gratifying" alternative.
The veteran rocker also said he considered a career as a dancer but was put off by the prospect of "so many injuries".
Jagger, who was still a student at the London School of Economics when the Stones were starting out, told BBC Radio 4's Today programme: "A schoolteacher would have been very gratifying, I'm sure.
"There are millions of things you would have loved to have done, a politician, a journalist... I thought of being a journalist once.
"All these things you think of when you're a teenager, you can think, well, I would have liked to have done that but that's completely pointless but I don't feel frustrated for a lack of control at all and I'm very pleased with what I've done.
"Everyone wants to have done more things in their lives. It is a slightly intellectually undemanding thing to do, being a rock singer, but, you know, you make the best of it."
Hundreds of festivalgoers at Glastonbury showed they have got the moves like Jagger by taking part in a Jagger Off.
The Jumping Jack flashmob, arranged by two Rolling Stones fans to celebrate the band's first appearance at the festival, saw crowds of people taking on Sir Mick Jagger's trademark dance moves.
It was held near the Pyramid Stage, where the band will headline on Saturday night, under the watchful eye of a giant metal phoenix that is perching on top of the structure this year.
The sound system played classic Stones songs including Brown Sugar and Start It Up to about 400 flashmobbers.
Organiser James Duke-Evans said the event had gone "fantastically well".
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Following weeks of speculation that the group would play live gigs in London and New York, Sir Mick confirmed the rumours on BBC Radio 2 saying:
"I'm sure there's going to be something on Facebook very soon about the tour. It's not going to be a long tour, the first bit anyway ...
"It's going to be much sooner than July. It could be as soon as the end of this year."
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