Zampogna a chiave (f)
(with) definite article: laName used only to distinguish this instrument from the types without a key (Ciaramella / Ciaramelle, Scupina, Surdul(l)ina, Zampogna "a paro", Zampogna "zoppa", &c.); NB: ➺ Zampogna numerata (!)
Leydi, Roberto: La zampogna in Europa. Como, 1979, p.132-134.