Summary of Chord Formations
This page will outline and summarize all the chord types considered in my chord theory pages. Make sure you first have an understanding of keys and intervals. The chart below gives chord type, the notes making up that chord, the notes making up that chord based on G, one possible way to form that chord based on G, and the proper notation for that G chord.
major | 1-3-5 | G-B-D | 320033 | G |
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minor | 1-m3-5 | G-Bb-D | 355333 | Gm |
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diminished | 1-m3-º5 | G-Bb-Db | 3453xx | Gº |
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seventh | 1-3-5-m7 | G-B-D-F | 320001 | G7 |
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minor seventh | 1-m3-5-m7 | G-Bb-D-F | 353333 | Gm7 |
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major seventh | 1-3-5-7 | G-B-D-F# | 320002 | Gmaj7 |
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sus2 | 1-2-5 | G-A-D | 3x0233 | Gsus2 |
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sus4 | 1-4-5 | G-C-D | 3x0013 | Gsus4 |
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fifth | 1-5 | G-D | 355xxx | G5 |
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sixth | 1-3-5-6 | G-B-D-E | 320030 | G6 |
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ninth | 1-3-5-m7-9 | G-B-D-F-A | 32323x | G9 |
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add9 | 1-3-5-9 | G-B-D-A | 3x0203 | Gadd9 |
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© 1998 Daniel E. Smith.