Imagine you’ve given an accordion amphetamines.

depending on the region it could be something like Mišo Kovač (Dalmatia)[1] or any tamburaši band (Slavonia)[2]. Istria and Zagorje have their own horses in the race, but I cannot name any.

[1] https://www.youtube.com/watch?v=bUiA1zP3tU4

[2] https://www.youtube.com/watch?v=c4AYnl2TVKg&list=PL_YB4oZW18...

In the US, check your local cable access channels for the series "Croatian Magazine".

I’m guessing turbofolk https://en.m.wikipedia.org/wiki/Turbo-folk