Vibrato is a musical effect consisting of a regular, pulsating change of pitch. It is used to add expression to vocal and instrumental music. Vibrato is typically characterized in terms of two factors
A vibrato, sometimes called whammy bar, on an electric guitar allows to lower or raise the strings in order to produce vibrato.
Francesco Xaverio Geminiani was an Italian violinist, composer, and music theorist. BBC Radio 3 once described him as "now largely forgotten, but in his time considered almost a musical god, deemed to
Francesco Geminiani circa 1735 (originally attributed to Andrea Soldi)