
The Voix celeste, (Voix céleste) [Fr.] (heavenly voice) is an organ stop consisting of either one or two ranks of pipes slightly out of tune. The term celeste refers to a rank of pipes detuned slightly so as to produce a beating effect when combined with a normally tuned rank. It is also used to refer to a compound stop of two or more ranks in wh...
Found on
http://en.wikipedia.org/wiki/Voix_céleste

(from the article `keyboard instrument`) ...a principal rank found only in the treble and tuned sharp so that when it is played together with the principale one hears an audible beat. It was ...
Found on
http://www.britannica.com/eb/a-z/v/33
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