TORONTO – Global has thrown some serious marketing weight behind a campaign promoting the return of its popular show Glee.In addition to Glee Club singers performing songs a capella around Toronto in the days leading up to the series return on April 13, the campaign features advertising on radio, TV, print, and outdoor; display advertising on targeted TV and gossip websites such as TMZ, Perez Hilton and AOL; plus various social media platforms.The campaign also teases an announcement due next week which promises to “bring a new sound to Toronto"."Glee has built an incredible following since its premiere and has become a...