An Italian musical term for a fast twittering vibrato in the voice, literally a 'little goat' or 'goat-like', and normally considered not as a healthy sound but as a problem in the voice. There was something of this effect in the singing of Spanish mezzo Conchita Supervía.
A selection of M&V articles about caprino
Ensemble. Disillusioning in All its Grandeur - New York Metropolitan Opera's current production of Giuseppe Verdi's 'Attila' elicits a mixed reaction from Rebecca Schmid