US and Canadian residents of Alberta, New Brunswick & Ontario (void in Quebec), 18+
http://www.sfmusictour.com/sweepstakes_entry.html

Sweepstakes Prizes:

Grand Prizes (4): 3 day trip for 4 to attend a No Doubt Concert at a date and location to be determined by Sponsor. Trip includes airfare, hotel, ground transportation, tickets to a No Doubt Concert, and $1,000 spending cash. (ARV: $12,000)

One time per person/email/household/telephone number.