Fleetwood Mac have sold over 100 million albums, but don't ask drummer Mick Fleetwood for the formula to the band's amazing success. "The whole thing is a mystery to me," he says. The same holds true for his blues-based style of drumming. "I just respond to a vibe," he says, "a musical heartbeat." Plenty of hearts will be beating a lot faster this spring when Fleetwood Mac embark on a greatest hits tour - and when it comes to hits, they have almost nothing but. In this exclusive interview, Mick Fleetwood talks about playing with the mighty Mac. For more on Mick Fleetwood and the best music news, reviews and tuition, head to www.musicradar.com.