It's called "step-wise"
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It is a scale made up exclusively of whole steps, as distinct from the standard western diatonic scale that is built upon the structure whole-whole-half-whole-whole-whole-half. For example, starting at E flat, the notes of a whole tone scale would be E flat, F, G, A, B, D flat.
The major scale is made of whole and half steps. WWHWWWH
The whole tone scale only uses full tones, therefore there are six notes per octave. Theoretically could can start a whole tone scale on any note but there are only 2 distinct scales. Whole tone scale starting on C: C, D, E, Gb, Ab, Bb, C Whole tone scale starting on Db: Db, Eb, F, G, A, B, Db Starting a whole tone scale on any of the other notes would merely be inversions of the scales mentioned above.
A seminote, frequently called a semitone is the equivalent of a half-step in a musical scale. There are six whole tones, or steps in every scale, and consequently, 12 half tones/steps.
Whole-Tone Scale
Whole steps and half steps in a sequential order:WWHWWWH
I'm not sure exactly what you mean by how many steps but I can explain a whole tone scale for you. A whole tone scale is comprised of all whole steps. For example: A B C# D# F G A or Bb C D E F# G# A# (which is Bb) So I guess there are 7 notes in the whole tone scale if that was what you were looking for.
Whole whole half whole whole whole half. These steps will create a major scale wherever you start on a piano, unless you start too high to get to the end of the sequence.
Depending on what scale you want to find, you would follow a series of half steps and whole steps from a tonic note upwards until you reach the tonic again. For example: Given the knowledge that the major scale has 2 whole steps, 1 half step, 3 whole steps, and 1 half step, you can find any major scale from any given tonic.
The correct pattern for a major scale is WWh , WWWh .
The correct pattern for a major scale is WWh , WWWh .
The correct pattern for a major scale is WWh , WWWh .
2 Half steps
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Whole, whole, half, whole, whole, whole, half.WWHWWWH