1- Concertboom 100% guarantees all purchases. We have been distributor of all major concerts since 2010. 2- Different websites sell tickets at different dates, that is usual in concert ticketing industry. 3- If you can't find the tickets you like please check back in as we add more & more tickets every hour. 4- To win free tickets please share this event and RSVP. The winners of free ticket lottery will be announced in March.