Christine McVie

"She was the best musician anyone could have in their band and the best friend anyone could have in their life," her bandmates shared.

R.I.P.

"She was truly one-of-a-kind, special and talented beyond measure," the band wrote in a statement.

She says she’s getting “too old” and thinks Stevie Nicks and John McVie would refuse.

Fleetwood Mac bandmates guest on Finn’s fundraising song “Find Your Way Back Home.”

There have been more than 40 of these outside projects, which deepen and add to the band's legacy.