http://www.wqxr.org/story/how-was-musical-notation-invented-brief-history/?utm_source=sharedUrl&utm_medium=metatag&utm_campaign=sharedUrl
This is fascinating and full of wonderful playing: https://youtu.be/ec-FrnaU0rs
This is not to be missed! https://www.pianistmagazine.com/news/piano-interviews/maurizio-pollini-in-recital-21-february-royal-festival-hall-london
http://m.classical-music.com/topic/arnold-schoenberg?utm_content=buffer252d1&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer