Trumpeters of Shid (right side of the diptych)

Painted on the impressions received during a concert-contest of brass bands in the Serbian city of Shid.
On the side of the stage, middle-aged women are dancing, and even old women cannot help but dance to the music.
The left part of the diptych is here https://artnow.ru/en/gallery/3/23714/picture/14/900935.html
The whole diptych is here https://artnow.ru/en/gallery/3/23714/picture/0/1033332.html