GarageBand keyboard options slowing down (not working)

Basically, some of my songs have a keyboard called “Blips Piano” and all of the ones with it have this thing where the melody from that piano is randomly slowed down, when the rest of the stuff are faster than it. Even on new songs too, and I’m up to date. I already did the basic fixes but nothing worked. I even uninstalled and reinstalled but still nothing.

Please help with this issue.