Kiwi music legend Neil Finn is famed for his bands, Split Enz and Crowded House. But when one of the world's biggest acts, Fleetwood Mac, offered him a lead role in their group, he couldn't say no. Next thing, he was stepping straight into playing alongside Stevie Nicks and Mick Fleetwood with the band who've bewitched audiences on and off the stage for more than 50 years.