Ticket sales open today for Broadway Week, the annual opportunity to buy tickets to hit shows at 2-for-1 prices. Broadway Week 2012 is September 4-16. Tickets to the most popular shows and preferred dates sell out first, so order soonest to get your choice of shows and dates. Broadway Week was started to boost sales in the slow period between the end of peak tourist season on Labor Day and the start of the new fall season of shows. BOGO shows include hit shows Evita, NewsiesThe Gershwins’ Porgy and Bess, The Lion King, Mamma Mia!, Phantom of the Opera, Rock of Ages and Spider-Man: Turn off the Dark, Peter and the Starcatcher, Wicked and War Horse. Two choices — you can go to the website of the show you want and book, or book seats through the NYC convention and visitors bureauBroadway Week is sponsored by The Broadway League, The New York Times, WNBC TV, Amtrak and NYC & Company.