What are scales and intervals?

Answer:
An interval is the distance between two notes of the diatonic scale. If you play middle C and the G right above it, you are playing a fifth. Intervals count the starting and ending notes. This fifth contains C, D, E, F and G. A major third would be middle C and the E above it. C and E flat make a minor third. Seconds, thirds, sixths and sevenths come in two flavors: major and minor. Fourths and fifths are perfect, (as they are in the C major scale) augmented (a half-step larger), and fifths can also be diminished (a half-step smaller).

A scale is a series of notes (not just the end notes) that is put together according to a fixed template. Starting again at middle C, if you move up in steps like this: whole (two physical keys on the piano, including both black and white keys) whole, half, whole, whole, whole, half, then you have played the C major scale. Start on ANY note, and if you follow the same template you will play a major scale.
Contributor: Emdrgreg
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