“All three were normally diatonic only, though players could raise the pitch by a semitone by stopping a string near the neck.”

“The first lowers the harmonic series by a whole tone, the second by a semitone, and the third by a tone and a half.”

“In this form, the seven intervals are of two sizes, the whole tone and the semitone.”

“The subject is almost all semitones, this time expressing yearning and anticipation, rather than sorrow.”

“He knows the emerald route, and all the semitones of sensuousness.”

“For what it's worth the two outer rows are tuned to the diatonic scale and the semitones are in the middle row.”