Controverso (adj.)
term used for idioglot single reeds with the vibrating end of their tongue facing the bore of the tube in which they are inserted
Mesoraca (prov. Crotone).
Tucci, Roberta: Le zampogne in Calabria. In: La zampogna: gli aerofoni a sacco in Italia (2005), II, p.225 (note 13 [➺ p.101]).