Are there any projects/tools for ripping existing game boy sounds/music and importing them into this format? It would be a great way to learn how various effect

Are there any projects/tools for ripping existing game boy sounds/music and importing them into this format? It would be a great way to learn how various effects are produced, remixing them, etc. It seems do-able: essentially an emulator whose APU implementation records a time series of the data/config passed to each of the four channels.