GF3 012B Bk3 Practical Intervals

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(Book 3) Lesson 12b. Practical Intervals The following examples, catalogue the intervals that would be commonly used with "C" as the Key Note. Knowing the Key Signatures absolutely "cold" will play an important part in Major Second Minor Second Dim. Second Aug. second speedy identification and calculation of any interval. & 2 w b2b w bb2∫w #2 #w w w w w Notice that in a Diminished or Augmented interval of any numerical degree, neither Major Third Minor Third Dim. Third Aug. Third one of the notes belongs to the Major Scale of the other note. & 3 w b3 b w bb3∫w #3#w w w w w In a Minor Interval, the lower note belongs to the Major Scale of the higher note Perfect Fourth Diminished Fourth Augmented Fourth but not the other way around. & 4 w b4 b w #4 #w A good way to practice identifying w w w intervals is to write random pairs of letter names on some piece of paper. Perfect Fifth Diminished Fifth Augmented Fifth It does not even have to be music manuscript. & w bw #w w 5 w b5 w #5 i.e. Identify the following intervals. Bb to C D to G A to Eb B to C Major Sixth Minor Sixth Dim. Sixth Aug.Sixth F to Ab E to Db G to B Db to G & w bw ∫w #w F# to C# A to G# Eb to Ab G to Db w 6 w b6 w bb6 w #6 Major Seventh Minor Seventh Dim. Seventh (Aug. Seventh) etc. (never used) You might come across some intervals & w bw ∫w #w which may be difficult to identify. w 7 w b7 w bb7 w (#7?) i.e. D# to Gbb = Triply Diminished 4th? Unison Aug. Unison Augmented Octave This would be a highly unlikely pair of notes to encounter in any melodic or #w harmonic situation. Keep in mind that & we do not generally assume, that there w 1 w w #1 # w w #8 is such a Key as D# Major. We would usually defer to its enharmonic equivalent which is the Key of Eb. Keep the The lowest note of an interval is said to be the Key Note. puzzles practical rather than academic. An interval with "D" as the lowest note is in the Key of "D". (F#, C#) An interval with "F" as the lowest note is in the Key of "F". (Bb) Leave the funny ideas to written An interval with "Ab" as the lowest note is in the Key of "Ab". (Bb,Eb,Ab,Db) music examinations. etc..

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