A possible concise summary is:
The text is a transcript of a video where different students present their items for show and tell. Jeffy brings his cat piano that makes cat noises, but another student breaks it with a hammer. Jeffy beats him up and asks his father to fix the piano. His father gets help from God and the devil to make a new one, but Jeffy is not satisfied with the different sizes. Finally, his father gets the original one back, but it gets smashed again by the repair man.
Here are some possible facts extracted from the text:
1. The text is a transcript of a video titled "SML Movie: Jeffy's Cat Piano Problem!" uploaded by SuperMarioLogan on YouTube.
2. The main characters are Jeffy, Marvin, Rosalina, Cody, Joseph, Junior, Penelope, Bully Bill, Patrick and Jackie Chu.
3. The plot revolves around Jeffy's cat piano getting broken by Marvin and Rosalina and their attempts to fix it or replace it before Jeffy's show and tell at school.
4. Jeffy's cat piano is an orange toy that makes cat noises when the keys are pressed.
5. Marvin and Rosalina try to repair the cat piano with the help of a repairman, God and the Devil, but they fail.
6. They also buy two different cat pianos, one smaller and one bigger, but Jeffy rejects them both.
7. Jeffy manages to take his original cat piano to school and impresses his classmates with a song.
8. Bully Bill smashes Jeffy's cat piano with a hammer because he thinks it is haunted.
9. Jeffy beats up Bully Bill for breaking his cat piano and asks Marvin to call the piano man to fix it.