·? (drone [Term not mentioned in available sources])
original: ? (Ukrainian)
only drone, adjustable: cylindrical, straight, no bell, cavity? / single reed
Pitch: a.
NB: Example(s) to be replaced with staff-notation.
Атлас музыкальных инструментов народов СССР = Atlas of musical instruments of the peoples inhabiting the USSR [1963]. Вертков, Константин А. (Vertkov, Konstantin A.) / Благодатов, Георгий И. (Blagodatov, Georgij I.) / Язовицкая, Эльза Э. (Jazovickaja, El’za E.). Москва (Moskva), 1975 (2), p.50 (type only, no term).