By the way, this made me look for other members favorite band. I couldn't find any article about them explicitly mentioning it... except for Christine, where she said “I’m a big fan of Steely Dan; the Beach Boys; Crosby, Stills, Nash, and Young. I like quite a broad range of people.”
“And my favourite… the Beatles, of course. Some of their songs move me to tears.”
Fleetwood Mac’s Christine McVie once named her favourite band of all time