Question

in tha world of music, which these has part a called bayan

Answer 1

Tabla is a very famous musical in the world of music which has a part called ' bayan '.  This is a small musical instrument which produces a high pitch sound.   ' Bayan ' is the Hindi name given to the left drum of a Tabla.  The right drum of a Tabla is called ' Dayan '.

Answer 2

The euphemism of “concert accordion”, “classic accordion” or even better “bayan”.

In order to clarify this terminology, I will devote myself to trace the history of bayan, a Russian accordion that seems to have had a strong influence on the instrumental making and on the accordion teaching in France and Western Europe.