Monkeys can't do puppet shows... that's a good title for a song. Maybe a country song... or reggae. You see, monkeys lack the opposable thumbs required to operate a puppet's mouth. Beyond that, monkeys can't speak, making puppetry quite impossible for monkeys on at least two levels. A ventriloquist monkey would be even more confusing, because now no one's mouth is moving. This could all be the song, but it would need to rhyme or at least have a memorable chorus.
Opposable thumbs are the only difference between monkeys and about 90% of the people I encounter on my way to work. If a monkey had opposable thumbs, it would be Ben Affleck. Well that was an unfair attack... totally unprovoked. I should probably apologize. Sorry, monkeys.