Sum 41 have begun their final tour as band, kicking things off with a performance at the YES24 Live Hall in Seoul, South Korea on Tuesday (Feb. 27). The group, who will release a double album titled Heaven :x: Hell, on March 29 as their final studio offering, got their farewell tour underway with a 25-song performance playing many of their hits, while also digging up the live debut of a new song and dropping a Queen cover as well. Heaven :x: Hell kicks off with the new song “Waiting on a Twist of Fate” leading the Heaven side, and the high energy rocker got its live debut as the fifth song of …