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INTRODUCTION TO MUSIC THEORY. Thursday, September 20, 2012 PART 2. PERFECT & MAJOR INTERVALS:. Perfect Intervals: Unison 4 th 5 th Octave Major Intervals: 2 nd 3 rd 6 th 7 th. DIATONIC INTERVALS: MAJOR SCALE.
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INTRODUCTION TO MUSIC THEORY Thursday, September 20, 2012 PART 2
PERFECT & MAJOR INTERVALS: • Perfect Intervals: • Unison • 4th • 5th • Octave • Major Intervals: • 2nd • 3rd • 6th • 7th
DIATONIC INTERVALS:MAJOR SCALE • When the tonic and the upper note of an interval are from the same major scale, it is called a diatonic interval. • All diatonic intervals in the major scale are either perfect (P) or major (M). • This is true for ALL major scales. • P1 = perfect unison • P8 = perfect octave • P1, M2, M3, P4, P5, M6, M7, P8
MINOR INTERVALS: • When the interval between the two notes of a major interval (2nd, 3rd, 6th, or 7th) is decreased by a HALF step, it becomes a minor interval. • A small letter “m” is used to signify a minor interval. • Only major intervals can be made into minor intervals; perfect intervals cannot.
MORE ABOUT INTERVALS: • Compound intervals are intervals that are larger than an octave are called compound intervals. • A melodic (horizontal) interval is two pitches sounded successively (one after the next). • A harmonic (vertical) interval is two pitches sounded simultaneously.
INTERVAL CARNIVAL: • Perfect: Unison (unis.), 4th, 5th, octave (8va) • Major: 2nd, 3rd, 6th, 7th • Minor: 2nd, 3rd, 6th, 7th • Augmented: unis., 2nd, 3rd, 4th, 5th, 6th, 7th, 8va • Diminished: 2nd, 3rd, 4th, 5th, 6th, 7th, 8va