Bass viol
Bass viol (басоля; basolia). A Ukrainian stringed folk musical instrument of the bass register. In its form and dimensions it is similar to a violoncello. It has four strings tuned in fifths. The bass viol is used in folk instrumental ensembles, such as trios of folk musicians called troisti muzyky.
[This article originally appeared in the Encyclopedia of Ukraine, vol. 1 (1984).]