every note at the start of the song is piano

[uhokay4]

when i export a midi with this and when i play the midi then all of the notes at the start of the song sound like a piano but the rest dont

1. go to signal
2. make a cool beats heh
3. export the midi
4. play it in a midi player or someting
5. Piano Jumpscare
6. everythings back to normal
   wat