Bach 

https://www.youtube.com/watch?v=gL_0cw6LYsE

Haydn 

https://www.youtube.com/watch?v=Ser_NWvzIIA  

https://www.youtube.com/watch?v=7_xMrBaMJmw

Mozart

https://www.youtube.com/watch?v=RJ6IsIZrOj0

DvoraK

https://www.youtube.com/watch?v=uWp-nj-l-nU