Months before "The Merry-Go-Round Broke Down" became the Looney Tunes theme song, the score for "Get Rich Quick Porky" quotes "Merry-Go-Round" the first time Gabby tries to use the jackhammer. This was the first time "Merry-Go-Round" was used in a Looney Tunes cartoon, having previously been used in Merrie Melodies' Sweet Sioux (1937).
One only three WB shorts to feature Gabby Goat. The other two are "Porky and Gabby" and "Porky's Badtime Story."
This short fell into the public domain after the original copyright holder forgot to renew the copyright after 28 years.