CBU-FM is a Canadian radio station, which broadcasts the programming of the CBC Music network in Vancouver, British Columbia. The station broadcasts at 105.7 FM. CBU-FM's transmitter is located atop Mount Seymour. The station was originally launched on December 12, 1947 as an FM simulcast of the CBC AM station CBR. It was rebranded as CBU-FM in 1952 when the Vancouver AM station was renamed. It was not part of the CBC's original FM network in 1960, but became part of the 1964 relaunch.