```py
from PySide6.QtCore import *
from PySide6.QtGui import *
from PySide6.QtWidgets import *
from rtmidi import MidiIn, MidiOut
import sys
app = QApplication([])

# Define Widgets


# Instantiate Widgets

# Loader
def main():
  exit(app.exec())

if __name__ == "__main__":
  main()
```