Contra (f)
(with) definite article: lalow drone, adjustable: conical, straight, bell, cavity? / double reed
From "contro" [counter-, as in countertenor] ?; Divergent, rear centre; Term used by Enrico Musichini.
Di Silvestre, Carlo: La zampogna zoppa in Abruzzo. In: La zampogna: gli aerofoni a sacco in Italia (2005), I, p.159.