. The University course of music study, piano series; a standardized text-work on music for conservatories, colleges, private teachers and schools; a scientific basis for the granting of school credit for music study .. . 22 UNIVERSITYCOURSE INTRODUCTORYCHAPTER XXV XXVTHE DOMINANT SEVENTH CHORD § 1. Triads have been explained as chords ofthree tones, consisting of two Thirds, one abovethe other. There are also chords which consistof three Thirds; such chords contain four are called Seventh chords. The sevensevens are shown in Example No. i. AH Seventhchords are written upon four adj
. The University course of music study, piano series; a standardized text-work on music for conservatories, colleges, private teachers and schools; a scientific basis for the granting of school credit for music study .. . 22 UNIVERSITYCOURSE INTRODUCTORYCHAPTER XXV XXVTHE DOMINANT SEVENTH CHORD § 1. Triads have been explained as chords ofthree tones, consisting of two Thirds, one abovethe other. There are also chords which consistof three Thirds; such chords contain four are called Seventh chords. The sevensevens are shown in Example No. i. AH Seventhchords are written upon four adjacent lines orfour adjacent spaces. 1 Example No I. A C E G2. C E G B 3. E G B D ^. G B D S- B D 6. D 7- The Seven Sevenths FFFF AAA CC E Such a chord is called a Seventh chord becauseof the fact that the fourth tone, which changesit from a triad to a four-toned chord, is separatedfrom the Root by an interval of a Seventh. Thefourth of the above series of seven sevens isknown as a Dominant Seventh, because it results from adding another Third to a Dominant triad—the triad on the fifth degree of the Scale. [§ 6]§ 2. The Dominant Seventh chords on the twelvedegrees of the chromatic scale are contained inExample
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