Kola su osnova za vežbanje trilera i brzine prstiju. Najtraženije note su: Užičko kolo Vlaška kola (poznata po svojoj kompleksnosti) Starogradske pesme i Sevdalinke
Check the (e.g., Kolo brzo = Fast Kolo) and the key . If it says "C-mol" , you need an accordion with a C minor scale or a button box set to that key.
Play only the left hand (bass) for 5 minutes. Ensure the rhythm is tight. In Balkan music, the bass is the drummer.