The guitarist demonstrated a rapid tremolo passage.
tremolosubstantiv
A musical effect produced by the rapid repetition of a single note or the rapid alternation between two notes.
The violinist added a tremolo to the piece, creating a dramatic and emotional effect.
A device or mechanical system on a guitar or other stringed instrument that allows the player to vary string tension (and therefore pitch), commonly called a “tremolo arm” or “whammy bar.”
He pressed the tremolo during the solo, sending the note swooping downward.
A periodic modulation of a sound’s amplitude, producing a wavering in loudness.
The built-in tremolo on the amplifier gave the chords a gentle pulsing effect.