A rapid repetition of a musical tone
"Tremolo" is a musical ornamentation technique characterized by the swift and regular alternation or vibration of notes. Its purpose is to emulate a trembling or quivering effect in music, infusing additional dynamics and emotional depth into musical passages.
The term "Tremolo" has its roots in the Italian language, where it signifies "trembling".
In instrumental performance, tremolo can be achieved through rapid finger movements (as seen on instruments like the piano) or by swiftly moving the bow (common in string instruments). This execution leads to the rapid and regular oscillation of notes, creating an auditory effect reminiscent of trembling.
The speed and intensity of tremolo are adaptable, allowing for a diverse spectrum of musical effects. A fast tremolo can introduce tension and dynamic variation, while a slower tremolo may yield a gentler and more blurred effect. This technique finds widespread usage across various musical genres and is a staple in the repertoire of numerous instruments, serving to enhance the expressive range of music.