<P> Ottawa and Calgary met twice in the 2016 regular season . Their first meeting took place on July 8 in Ottawa and resulted in the only tie game of the season, with the two teams playing to a 26--26 draw . In their second and final meeting on September 17, the Stampeders defeated Ottawa 48--23 in Calgary . </P> <P> The Grey Cup Festival featured various fan events leading up to the game, including activities, the alumni luncheon, and autograph sessions . Two new events added to the festival are the Empowering Women and Community Through Sport Summit, and the first official Grey Cup party in support of the LGBT community, hosted by You Can Play and the law firm Baker & McKenzie at the Striker Sports Bar--Toronto's first sports bar catering to the city's LGBT community . The New Pornographers, Tokyo Police Club, The Lowest of the Low, and The Sheepdogs were announced as headlining acts for the SiriusXM Concert Series . </P> <P> Canadian opera group The Tenors sang the national anthem, and Canadian singer Alessia Cara headlined the SiriusXM Kickoff Show . On September 7, 2016, the CFL announced that OneRepublic would perform during the Freedom Mobile Halftime Show . </P> <P> BMO Field was temporarily expanded to about 34,000 for the Grey Cup game . By the middle of October, ticket prices were lowered due to difficulty in selling tickets to reach the temporary capacity . Originally the tickets were priced between $169 and $899 (before tax), but after the sale the cheapest tickets dropped to $89 and thousands more middle section seats saw a major decrease in cost as well . Some who had purchased their tickets in advance of the mid-October sale were offered upgrades or compensation . Less than a week prior to the game, organizers announced that ticket sales had increased dramatically and they expected a sell - out crowd . Attendance was announced at 33,421 . </P>

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