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Intervals.md

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 title: Intervals and dyads
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 An *interval* is the distance between two pitches, usually measured as a number of steps on a scale.
 
 A *dyad* is a pair of pitches sounding together (in other words, a two-note chord). Since a dyad is defined by the interval between the two pitches, dyads are often simply called intervals.

rhythmicValues.md

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 Multiple dots can be added to a duration. Subsequent dots add half the duration of the previous dot. For example, a quarter note with two dots would be equivalent in duration to a quarter, eighth, and sixteenth note. 
 
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 A *tie* lengthens a duration by connecting two adjacent identical pitches. Ties are used to either sustain a pitch beyond the length of a single measure, or to make a particular rhythmic grouping in a measure more clear. 
 
 

scales.md

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 A scale is a succession of pitches ascending or descending in steps. Usually, the pitches are each notated with different letter names, though this isn't always possible or desirable. 
 
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 ### The Chromatic Scale ###
 
 A scale consisting entirely of half steps.