One of the largest venues in Alberta, the Jack Singer Concert Hall attracts big-name artists with its classical beauty and easy-on-the-ear acoustics. The hall boasts of the Carthy Organ, hand-carved from solid oak and containing more than 1600 polished alloy and wood pipes. This concert hall is part of Arts Commons, a performing arts complex occupying 10 acres (4.5 hectares) in Downtown Calgary. As one of the major art centers in Canada, Arts Commons hosts world-class performances on Singer Hall's state of the art stage. The Box Office opens one hour prior to performance and closes one hour after the show starts. This venue can also be rented for private events.