The score quotes "The Merry-Go-Round Broke Down". A month later, with the release of Rover's Rival (1937), "Merry-Go-Round" became the Looney Tunes theme song.
A sly nod to rival studio's Popeye with the spinach eating chick who mentions "sweet peas."
Another nod, to rival studio Disney's "Touchdown Mickey," when Porky plays football with the hens
Fell into the public domain in 1965.