>>11841943
Yes, the new music code is designed to swap new sound engines into the SPC, which will leave it open for future support and coding in new music engines. It just means there can be engines such as Project-Nested's/infidelity/Memblers' 2A03 emulator, or snesmod, instead of the default N-SPC (Kankichi-kun).
See this for an example of accuracy:
https://www.youtube.com/watch?v=P_ZmQFp12HQ