There are two versions of "A barata diz que tem". One is from Portugal and the other is from Brazil.

A barata diz que tem - Brazilian Children's Songs - Brazil - Mama Lisa's World: Children's Songs and Rhymes from Around the World  - Intro Image
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Sheet Music

Sheet Music - A barata diz que tem

Thanks and Acknowledgements

Many thanks to Bruna Marcela Benevenutti for contributing and translating this song!

Image: Snodgrass common household roaches.