I think animators especially liked music back in the early '30s because many cartoons revolved around animals playing tunes with crazy sight gags accompanying their playing. This begins with an example of that as Noah is playing music with a few animals.
However, Noah has a problem: he has corns that are killing him. They are bothering his feet so bad we see corn stalks sprouting out of his toes! A closer look at his digits shows even worse. Since his corns hurt, he says, "I'll guess we'll definitely have some rain." This is definitely not the Noah of the Bible! By the way, he's wearing a sailor's cap and shirt.
The fun kind of stopped when it turned strictly into a musical the last 60 percent of the time, with the animals dancing and the songs so-so, at best. That part really wasn't all that entertaining. Too bad, because this had the makings of super cartoon. It was still good overall.