Bosko is a construction worker who impresses Honey by making music from everything in sight, including a decapitated mouse, a typewriter and a goat filled with hot air.
Elmer Fudd introduces two pieces of classical music: "Tales of the Vienna Woods" and "The Blue Danube", and acted out by Bugs Bunny, Porky Pig, Laramore the Hound Dog, a family of swans, and a juvenile Daffy Duck.
Elmer Fudd expects to find "west and wewaxation" during his visit to Jellostone National Park, but he sets up camp in Bugs' backyard, and the rabbit (and a neighboring bear) definitely don't have leisure in mind.
Elmer Fudd is again hunting rabbits - only this time it's an opera. Wagner's Siegfried with Elmer as the titular hero and Bugs as Brunnhilde. They sing, they dance, they eat the scenery.