Two notes being played simultaneously is referred to as an Interval. An interval can be considered consonant (strong sounding) or dissonant (strange sounding!). Broadly speaking, there are two types of intervals: simple intervals and compound intervals. A simple interval is an interval of less than an octave, while a compound interval is an interval greater than one octave. Lets look again at our major scale, in the key of … Read More

Intervals (continued)

So far, I have only outlined diatonic intervals. These are not the only intervals that exist, there are also intervals between sharp and flat notes to consider. Here is the full list of both simple and compound intervals: Intervals from 0 up to 12 semitones are simple intervals. Intervals above 13 semiitones are compound intervals. After 12 semitones (the perfect 8th, or … Read More