INTERVALS
Music interval – distance between two notes
Example: The distance between these notes is a 3rd.
How to count: Count the bottom note, and then all spaces and lines between and finish counting on the top note.
Two types of intervals:
Melodic Interval: Two notes played separately at different times.
Harmonic Interval: Two notes played together at the same time.
Interval Quality
In a major scale, each note is an interval away from “Do”
Do Do –Re Do-Mi Do-Fa Do – Sol Sol – La Do- Ti Do – Do
Do to (same note) Do is a “Perfect Unison” or “P1”
Do to High Doe is a “Perfect Octave” or “P8”
You need to memorize the pattern above
It doesn’t matter if Do starts at on “C” or “D” or “F” or any letter, the pattern is the same.
FIGURING OUT INTERVAL QUALITY
EXAMPLE 1:
Step 1 – label the bottom note as “do”
Example: Do = C
Step 2 – Determine what “do’s” key signature looks like
Example: C has no sharps and no flats
Step 3 – Write out the scale using the key signature
Example: C major Scale: C, D, E, F, G, A, B, C
Step 4 – Determine the top note letter name
Example: G
Step 5 – Determine if the top note is in the scale
Example: G is in the scale
Step 6 – If it is in the scale then refer to your pattern: P1, M2, M3, P4, P5, M6, M7, P8 and label the quality
Example: P5 is the answer
EXAMPLE 2:
Step 1 – label the bottom note as “do”
Example: Do = D
Step 2 – Determine what “do’s” key signature looks like
Example: D has 2 sharps, F# & C#
Step 3 – Write out the scale using the key signature
Example: D major Scale: D, E, F#, G, A, B, C#, D
Step 4 – Determine the top note letter name
Example: B
Step 5 – Determine if the top note is in the scale
Example: B is in the scale
Step 6 – If it is in the scale then refer to your pattern: P1, M2, M3, P4, P5, M6, M7, P8 and label the quality
Example: M6 is the answer
EXAMPLE 3:
Step 1 – label the bottom note as “do”
Example: Do = D
Step 2 – Determine what “do’s” key signature looks like
Example: D has 2 sharps, F# & C#
Step 3 – Write out the scale using the key signature
Example: D major Scale: D, E, F#, G, A, B, C#, D
Step 4 – Determine the top note letter name
Example: F
Step 5 – Determine if the top note is in the scale
Example: F is in the scale – it is F# in the scale
Step 6 – If it is NOT in the scale then refer to your pattern: P1, M2, M3, P4, P5, M6, M7, P8 and refer to your chart here:
Major Intervals
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Perfect Intervals
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Augmented
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Augmented
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Major
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Perfect
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minor
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diminished
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Diminished
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