If you hang around video game audio preservation circles, you know the hierarchy of soundtrack quality. At the top, you have studio releases. At the bottom, you have messy MP3s recorded from a microphone. But in the middle lies the fascinating world of —files that contain the actual musical data (notes, tempo, instruments) rather than just a recording.
A free digital audio workstation that allows you to create music using MIDI and can import SoundFonts. mini2sf to midi verified