What is "tremolos"

Usage examples of "tremolos".

His head was bent over the long fretboard, eyes closed, as he produced ululating tremolos with a complicated bow.

He knew cradle songs and fishing songs, classical tunes and new compositions by Theodorakis, Xarhakos, Markopoulos, and Hadjidakis, and he executed all of them with perfect tremolos and extraordinary syncopated improvisations that were inclined to prevent his audience from dancing because it was even better to listen.

There were sudden, flashing tremolos at the beginning of bars, and places where the music hesitated without losing its tempo, or sustained the same speed despite appearing to halve or double it.

There were tremolos on the strings and ominous pronouncements by the trombones and trumpets… Violins… Then a repetition of the theme by cellos and woodwinds.