Creative Commons BY 4.0 International
Extra considerations:
FM sound driver "P.M.D." (C) by Masahiro Kajihara (KAJA).
FMPMD2000 FMP & PMD Music Player (including PMDWin and FMPWin playback libraries) (C) by C60.
FM sound generator engine "fmgen" (C) by cisc.
Note to people who make SoundFonts. If you wish to add this preset to your SoundFont and you share it, please give credit. Thank you!