The vertical width of each pitch band is controlled by a serial distribution of chromatic intervals, from a single tone, via the minor second, major second, minor third, and so on up to a major seventh.
12.
For example, the notes F and E represent exactly the same pitch, so the diatonic interval C F ( a perfect fourth ) sounds exactly the same as its enharmonic equivalent the chromatic interval C E ( an augmented third ).
13.
It is the small number of chromatic intervals in Lassus's [ = Lasso's ] Sibylline Prophecies ( Carmina chromatica ), for example, that determine its chromatic status, not the large number of sharps that give it'chromatic'colouring according to looser modern usage . | " New Grove Online ", " Musica Ficta ", I, ii } } heard in modulation, are those in which the mysteries of the Sibyls are sung, intrepidly, " which here takes its modern meaning referring to the frequent change of key and use of chromatic intervals in the work . ( The " Prophetiae " belonged to an experimental musical movement of the time, called musica reservata ).
14.
It is the small number of chromatic intervals in Lassus's [ = Lasso's ] Sibylline Prophecies ( Carmina chromatica ), for example, that determine its chromatic status, not the large number of sharps that give it'chromatic'colouring according to looser modern usage . | " New Grove Online ", " Musica Ficta ", I, ii } } heard in modulation, are those in which the mysteries of the Sibyls are sung, intrepidly, " which here takes its modern meaning referring to the frequent change of key and use of chromatic intervals in the work . ( The " Prophetiae " belonged to an experimental musical movement of the time, called musica reservata ).
