Vibrato (It., from Lat. vibrare: ‘to shake’)
- G. Moens-Haenen
A regular fluctuation of pitch or intensity (or both), either more or less pronounced and more or less rapid. The Italian term ‘tremolo’ is also occasionally used for vocal vibrato. Terminology used in music was not standardized until the 20th century; earlier terms, primarily applied to vocal vibrato, include: ...