Caparra (f)
(with) definite article: lacontract, or an existing (verbal) agreement between musicians and clients, to play at fixed occasions
Contract of an agreement to play novene [novena tunes] during the "Nuvera de Natale" (9-day period before Christmas).
Gioielli, Mauro: Le zampogne nel Molise. In: La zampogna: gli aerofoni a sacco in Italia (2005), I, p.222, 223 (nuvera).