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Five and one half steps down from standard. Octave Tuning – B"-E'-A'-D-G-B-e Six full steps (one octave) down from standard tuning. The open C tuning for 7-string guitar was Devin Townsend's preferred tuning for the extreme metal band Strapping Young Lad (GCGCGCE), used on their last two albums.
The guitar is a transposing instrument; that is, music for guitars is notated one octave higher than the true pitch. This is to reduce the need for ledger lines in music written for the instrument, and thus simplify the reading of notes when playing the guitar. [5]
[50] [h] The standard-tuning implementation of a C7 chord is a second-inversion C7 drop 2 chord, in which the second highest note in a second inversion of the C7 chord is lowered by an octave. [ 50 ] [ 52 ] [ 53 ] Drop-two chords are used for sevenths chords besides the major–minor seventh with dominant function, [ 54 ] which are discussed in ...
An octave is the interval between one musical pitch and another with double or half its frequency. For example, if one note has a frequency of 440 Hz, the note one octave above is at 880 Hz, and the note one octave below is at 220 Hz. The ratio of frequencies of two notes an octave apart is therefore 2:1.
Shifting a chord by three strings raises it by one octave. Chords are inverted by shifting notes by three strings on their original frets. Major-thirds tunings require less hand-stretching than other tunings, because each M3 tuning packs the octave's twelve notes into four consecutive frets.
Letter notation is the most common way of indicating chords for accompaniment, such as guitar chords, for example B ♭ 7. The bass note may be specified after a /, for example C/G is a C major chord with a G bass. Where a capo is indicated, there is little standardisation.
The graphical representation of Vogel's Tonnetz is limited to the three dimensions for fifths, thirds, and seventh. In this representation tones separated by one or several octaves are depicted on the same nodes. The illustration shows the chord which is the most frequent 4-note chord in western music: the dominant seventh.
Other non-octave tunings investigated by Bohlen [19] include twelve steps in the tritave, named A12 by Enrique Moreno [20] and based on the 4:7:10 chord Play ⓘ, seven steps in the octave or similar 11 steps in the tritave, and eight steps in the octave, based on 5:7:9 Play ⓘ and of which only the just version would be used.