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INTRODUCTION TO MUSIC THEORY. Tuesday, October 9 , 2012. TODAY:. Music Sharing : Bridget (XHS) Review : Intervals Review : Triads Introduce : Inversions Introduce : Figured Bass. INVERSIONS:. An inversion is changing the order of the notes in a triad. - PowerPoint PPT Presentation
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INTRODUCTION TO MUSIC THEORYTuesday, October 9, 2012
TODAY:
Music Sharing: Bridget (XHS)Review: IntervalsReview: TriadsIntroduce: Inversions Introduce: Figured Bass
INVERSIONS:
An inversion is changing the order of the notes in a triad.
When there is an inversion of a triad, the note names do not change.
POSITIONS:
Root position1st inversion 2nd inversion3rd inversion (7th chords only!)
ROOT POSITION:
The “standard” position of a triad Root on the bottom 3rd in the middle 5th on top
1ST INVERSION:
3rd on the bottom
2ND INVERSION:
5th on the bottom
3RD INVERSION:
7th on the bottom
WARNING!
To determine the quality of a triad, it MUST first be put in ROOT POSITION.
DETERMINING QUALITY & INVERSION:
Step 1: Write letter namesStep 2: Stack them in thirdsStep 3: Determine the quality of
chordStep 4: What note is on the
bottom of the original chord?
FIGURED BASS – TRIADS:
1st Inversion:I 6
3
C/E
2nd Inversion:I 6
4
C/G
FIGURED BASS – 7TH CHORDS:
Root Position:I 7
5
3
C7
1st Inversion:I 6
5
3
C7/E
FIGURED BASS – 7TH CHORDS:
2nd Inversion:I 6
4
3
C7/G
3rd Inversion:I 6
4 2
C7/Bb