Fleetwood Mac will embark on a 40- to 60-date North American tour of arenas and amphitheaters in April 2003, Billboard.com has learned. The group's most popular lineup of Mick Fleetwood, Stevie Nicks, Lindsey Buckingham, John McVie, and Christine McVie last toured in 1997 with an arena run that grossed $36.2 million in 44 shows.