notenleer

https://www.youtube.com/watch?v=wFzDz-g3MJw&t=13s 

 

https://www.youtube.com/watch?v=yUHZInhRjZQ&list=PL_9DeCB1SmPZU5J3-PAslDf_J4Y8Cym4D&index=6

https://www.youtube.com/watch?v=u3DjMiz7oVs&list=PL_9DeCB1SmPZU5J3-PAslDf_J4Y8Cym4D&index=4