Biography
At least two different artists go under the name Quiet Force:
1. Obscure 1980's melodic heavy metal band from France. They released a live tape consisting of 9 tracks from a performance they did in Gruchet Le Valasse, France, on September 27th 1986.
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2. German New Age, Smooth Jazz and Pop project by Stephan Töteberg, mostly active between 1988 and 1991.
Biography text from Last.fm, available under CC BY-SA.