Lucy tuning is a musical tuning based on two musical intervals: the octave, which is 2/1, and the larger note, which is 1/2π octave, or slightly less than a whole tone. The lesser note is then defined so that two lesser notes plus five larger notes equal one octave. It was discovered by Charles Lucy[?] in old writings of John Harrison.
... an official place among their
"exercises." John Wesley and John Newton put
it among the works that influenced them at their
conversion. General Gordon carried it wit ...