So there is some fanfic where the protagonist confronts each other. still mlp villain and use this as a base

https://youtu.be/mmr4S-uyh4A?si=tAW1MdbW65UHh_6G

I say it would be interesting to see Discord come out of the statue and be challenged to a musical confrontation using various fandom songs, especially this one

https://youtu.be/lSE1Nv-ivdc?si=mgKI60P9LeJCu5Xs

The closest thing to a music battle with discord is a game mod https://youtu.be/aFfziMUnlO4?si=MdfnTFzVTtcG7sar