Epic shows runs more than two hours and includes Gaga’s brand-new track ‘You and I.’ By James Montgomery Lady Gaga performs in concert (file) Photo: Ollie Millington/ Redferns MONTREAL — “I’m going to give you the best show of your life tonight. You’re not going to be able to walk in the morning.” That’s what Lady Gaga said Monday night (June 28), right around what could’ve conservatively been called “the midway point” of her marathon set, and she wasn’t kidding. Because by the time she finally wrapped the two-plus hour show at the Bell Centre — a show that was also the kickoff of the North American leg of her revamped (and seemingly unending) Monster Ball Tour — there wasn’t a calf muscle left unquivered. If it wasn’t the best show her “little monsters” had ever seen, it certainly was the longest. An over-the-top (even by her rather lofty standards) m
