Lindsey Buckingham: 'It's safe to say there is more than these four songs from Fleetwood Mac'
Music icons release new EP on iTunes
Band premiere new material on US tour
Collaborator Todd Edwards says 'it is ironic that two androids are bringing soul back to music'
But romance is not on the cards
Huge demand Autumn tour tickets leads to band announcing extra show on 25 September 2013
Tickets expected to sell fast despite cost
Yeah Yeah Yeahs, Postal Service, Fall Out Boy and more
Ticket prices for UK shows upset fans