What You Must Know About Music Theory Intervals An interval is the distance between two musical notes. For example, the distance from D to E contains two notes (D and E), so it is a second interval. The distance from C to F is a fourth interval, since there...
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What You Must Know About Music Theory Intervals An interval is the distance between two musical notes. For example, the distance from D to E contains two notes (D and E), so it is a second interval. The distance from C to F is a fourth interval, since there are four notes: C-D-E-F. Interval quantity is the number of notes an interval contains. Interval quality is counted in half steps and it measures the exact distance from note to note. Let’s look at a few examples: Both intervals have the same distance: C-D-E. Therefore, it is a third interval. However, the example on the right has an E flat, which makes the interval minor. In other words, if it is one step smaller than a major interval, then it is called minor. Now let’s look at the following examples:
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