The first

inversion Inversion or inversions may refer to: Arts * , a French gay magazine (1924/1925) * ''Inversion'' (artwork), a 2005 temporary sculpture in Houston, Texas * Inversion (music), a term with various meanings in music theory and musical set theory * ...

of a chord is the voicing of a triad,

seventh chord A seventh chord is a chord consisting of a triad plus a note forming an interval of a seventh above the chord's root. When not otherwise specified, a "seventh chord" usually means a dominant seventh chord: a major triad together with a mi ...

, or

ninth chord In music theory, a ninth chord is a chord that encompasses the interval of a ninth when arranged in close position with the root in the bass. Heinrich Schenker and also Nikolai Rimsky-Korsakov allowed the substitution of the dominant seve ...

in which the

third Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * Second#Sexagesimal divisions of calendar time and day, 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (d ...

of the chord is the

bass note In music theory, the bass note of a chord or sonority is the lowest note played or notated. If there are multiple voices it is the note played or notated in the lowest voice (the note furthest in the bass.) Three situations are possible: # ...

and the

root In vascular plants, the roots are the organs of a plant that are modified to provide anchorage for the plant and take in water and nutrients into the plant body, which allows plants to grow taller and faster. They are most often below the sur ...

a sixth above it.

Walter Piston Walter Hamor Piston, Jr. (January 20, 1894 – November 12, 1976), was an American composer of classical music, music theorist, and professor of music at Harvard University. Life Piston was born in Rockland, Maine at 15 Ocean Street to Walter Ha ...

, ''Harmony'', fifth edition, revised and expanded by Mark DeVoto (New York: W. W. Norton, 1987): p. 66. . In the first inversion of a C-

major triad In music theory, a major chord is a chord that has a root, a major third, and a perfect fifth. When a chord comprises only these three notes, it is called a major triad. For example, the major triad built on C, called a C major triad, has pitch ...

, the bass is E — the third of the triad — with the fifth and the root stacked above it (the root now shifted an octave higher), forming the intervals of a minor third and a minor sixth above the inverted bass of E, respectively. : In the first inversion of G-

dominant seventh chord In music theory, a dominant seventh chord, or major minor seventh chord, is a seventh chord, usually built on the fifth degree of the major scale, and composed of a root, major third, perfect fifth, and minor seventh. Thus it is a major triad tog ...

, the bass note is B, the third of the seventh chord. : In

figured bass Figured bass is musical notation in which numerals and symbols appear above or below (or next to) a bass note. The numerals and symbols (often accidentals) indicate intervals, chords, and non-chord tones that a musician playing piano, harpsi ...

, a first-inversion triad is a chord (not to be confused with an

added sixth chord The term ''sixth chord'' refers to two different kinds of chord, the first in classical music and the second in modern popular music. The original meaning of the term is a ''chord in first inversion'', in other words with its third in the bass ...

), while a first-inversion seventh chord is a chord. According to ''The American History and Encyclopedia of Music:'' Note that any voicing above the bass is allowed. A first inversion chord must have the third

chord factor In music, a factor or chord factor is a member or component of a chord. These are named root, third, fifth, sixth, seventh, ninth (compound 2nd), eleventh (compound 4th), thirteenth (compound 6th), and so on, for their generic interval a ...

in the bass, but it may have any arrangement of the root and fifth above that, including doubled notes, compound intervals, and omission (E-G-C, E-G-C-G', E-C'-G'', etc.)

References

{{Voicing (music) Chord factors Chords Voicing (music)

See also

References