Stones will keep rolling if fans keep rocking: Jagger

"If you still enjoy what you are doing, and the audience still enjoy coming, then it's a two-way street. Beyond that, 'how long' is a crystal-ball question."

Jagger said the giant rock band had been through some rough patches, especially in the 1980s.

"It is like any office, if you like, or like always being on a committee," the singer said.

"If you are together for a long time, it is inevitable that you go through ups and downs, and there are many times when you can break up." (*)