Homebrew Emulator Playing rhythm heaven fever micro row error

[HolyCactus]

simply put: during practice the screen flashes black and during the actual game, the screen just freezes while the game plays. vision is very important in this game so i wanted to fix it.
Specs:
Processor
Intel(R) Pentium(R) Silver J5040 CPU @ 2.00GHz
Video Card
Intel(R) UHD Graphics 605
RAM
8.0 GB
Operating System
Windows 10
edit: am dumb and forgot to say this is dolphin emulator