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It is defined as the interval between two adjacent notes in a 12-tone scale (or half of a whole step), visually seen on a keyboard as the distance between two keys that are adjacent to each other. For example, C is adjacent to C ♯ ; the interval between them is a semitone.
The intervals between neighboring white keys are irregular: sometimes a whole step (C–D) and at others a half step (E–F). The combination of white and black keys and the pitch-to-key distance and vector is irregular. New players must watch the keyboard, instead of reading the score.
It is said to be quick to learn, because human bodies can easily replicate one motion on one side to the other side, and almost as fast as a normal keyboard. [4] Also a standard keyboard can be used with a special keyboard driver software as half-keyboard for temporary or testing use, as the physical layout does not differ.
For instance, in a chromatic scale each scale step represents a semitone interval, while a major scale is defined by the interval pattern W–W–H–W–W–W–H, where W stands for whole step (an interval spanning two semitones, e.g. from C to D), and H stands for half-step (e.g. from C to D ♭).
On a musical keyboard, a major second is the interval between two keys separated by one key, counting white and black keys alike. On a guitar string, it is the interval separated by two frets. In moveable-do solfège, it is the interval between do and re. It is considered a melodic step, as opposed to larger intervals called skips.
This pattern of whole and half steps characterizes the natural minor scales. The intervals between the notes of a natural minor scale follow the sequence below: whole, half, whole, whole, half, whole, whole. where "whole" stands for a whole tone (a red u-shaped curve in the figure), and "half" stands for a semitone (a red angled line in the ...
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However, the reciting tones of modes 3, 4, and 8 rose one step during the 10th and 11th centuries with 3 and 8 moving from B to C and that of 4 moving from G to A . [ 49 ] Kyrie "orbis factor", in mode 1 (Dorian) with B ♭ on scale-degree 6, descends from the reciting tone, A, to the final, D, and uses the subtonium (tone below the final).