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Imagine being the guy that the Rolling Stones look to for a cue while on stage.

To most of us, that seems completely unreal, but to Chuck Leavell, it’s just another show.

The legendary keyboardist has been playing with the Stones since 1982 and recently took the time to talk with Rolling Stone, about preparation and set-list decisions for the Stones big 50th anniversary shows.

Leavell seems to be the voice of reason when the group is trying to choose what songs out of their 50 year career and 400-plus song catalog.

“I make up a list every day of what I think the band should be rehearsing, and then I also had a separate list that is songs that we have yet to try to play that I think may have merit.  We have tried to look very hard at all of the various eras of the band's career and tried as best as possible to represent those eras. Fifty years is a long time, man!" Leavell explained to Rolling Stone.

The UK rockers eventually narrowed it down to a somewhat lengthy, 23-song set list to be played at their London concerts.

Although Leavell did admit that the band is “not gonna go crazy with swapping around songs in the set list," that doesn’t mean each night’s performance will be the same.

The second sold-out show in London already has two big additions: guitar icon Eric Clapton has signed up for a guest appearance and according to The Mirror, Florence Welch of Florence and the Machine will be taking the place of Mary J. Blige to perform the female vocals in “Gimme Shelter”.