The Farmerette (1932) (1932). A Betty Boop-like cat sings and dances, which inspires the lazy farm animals to work.
Schweinchen Dick legt ein Ei (1944) (1944). A Sinatra-like rooster and a Crosby-like rooster compete to make the hens lay more eggs on Porky Pig's farm.
See: this FAQ entry
Some TV prints remove the Al Jolson-like rooster auditioning with "September in the Rain."
Source: The Censored Cartoons Page
See: this FAQ entry
Yes, it's included in the Looney Tunes Golden Collection, Volume Three (2005) (V) Disc 2.
