Vibrato is a musical effect that involves the periodic, slight variation in pitch of a note, typically as a vibrating tone. Vibrato is used to add expression to performance and to create an emotional effect. In singing it can be done by varying one’s vocal pitch, while in instruments such as the guitar or violin it is achieved through small variations of pitch within the played note. Vibrato involves shaking or pulsing your finger to produce a slight, rapid variation in pitch. It’s a subtle but very noticeable effect that can be used as an expressive tool. If you want to learn how to use vibrato, there are quite a few things you’ll need to know before getting started