Shift is a national Canadian public radio music program presented by Tom Allen and broadcast on CBC Radio 2 that spans the genres of classical, singer-songwriter and pop music. According to its official webpage: "Shift presents music that is multi-genre and familiar, programmed to engage the at-work or at-home listener with a lively and varied soundtrack for the afternoon. Host Tom Allen brings the music to life with stories of composers, performers and the everyday world, delivered in his warm, conversational style."