Resources
Public domain sheet music is available for free on these websites:
International Music Score Library Project: https://imslp.org
Musopen: https://musopen.org
The Mutopia Project: https://www.mutopiaproject.org
Sheet Music International: https://sheetmusicinternational.com
MuseScore: https://musescore.com/
Sheet Music Editor, Notation & Transcription Software:
MuseScore: https://musescore.org/
LilyPond: https://lilypond.org/
Recording and production software:
Cockos Reaper: https://www.reaper.fm