Of course Who Let The Dogs out, Atomic Dog, Dog Eat Dod - Adam Ant and Ted Nugent did versions (not sure if approbate though) Cat Stevens did an instrumental called Was Dog A Donut in which several times a dog barks. Doggie in the Window, The Monkee's Gonna buy me a dog, Elvis Hound Dog, Donnie Osmond Puppy Love, Hair Of the Dog (again may not be appropriate) Walkin' the dog Several versions, Snoopy Vs the Red Baron, Theme from Huckleberry Hound, Scooby Doo