Virtual Library
Mobile Apps:
-Chet
-Complete Ear training / complete music reading trainer
-Tonestro violin
-TomeGym: https://www.tonegym.co/
-Tonic
Piano accompaniments:
https://www.youtube.com/watch?v=CigijBabO9Q&list=PLH9w9n5FxbygX8aV8rAOPAcXUp9ZVpl3W
Comment platform:
Where to find scores: