Also I find this YT channel very helpful, the video about substractive synthesis is probably a good starting point: https://www.youtube.com/watch?v=JfJ9Dbjz6cs

Also I find this YT channel very helpful, the video about substractive synthesis is probably a good starting point: https://www.youtube.com/watch?v=JfJ9Dbjz6cs https://www.youtube.com/watch?v=JfJ9Dbjz6cs