Here is a list of websites related to orchestration:
- Online orchestration treatise on composer Alan Belkin‘s website:
https://alanbelkinmusic.com/site/en/index.php/orchestration/
- Applied Orchestration is a series of video tutorials on orchestration by Alan Belkin:
Link to the YouTube channel
- Orchestration Online is a website offering various online orchestration resources:
https://orchestrationonline.com/
- Harp Notation is a website dedicated to writing for harp:
http://harpnotation.com/