here some material for reference , free download:

  1. Jazz Classics For Solo Guitar
  2. Gamelan, just to unzip and place to fl studio , patch/pack you can create java orchestra.
  3. Allan_Holdsworth__Melody_Chords_For_Guitar
  4. MuseScore-3.0.1 a tool for midi, guitar pro file and other
  5. audacity-win-2.2.2 a tool for simple mixing