One Sound … One Guess … and a Jackpot that Grows Daily Until Won! It’s NO secret now. 107.5 2day FM is your home for “The Secret Sound” presented by Great Canadian Liquor Warehouse weekday mornings at 7:40 with Dennis Walker. Simply listen to 107.5 2day FM Mornings with Dennis Walker and correctly identify the “Secret Sound” at 7:40am to win the Cash Jackpot. It’s that easy!