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Equal chords are subtended by equal angles from the center of the circle. A chord that passes through the center of a circle is called a diameter and is the longest chord of that specific circle. If the line extensions (secant lines) of chords AB and CD intersect at a point P, then their lengths satisfy AP·PB = CP·PD (power of a point theorem).
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Chord type Major: Major chord: Minor: Minor chord: Augmented:
When the symbol "9" is not preceded by the word "major" or "maj" (e.g., C 9), the chord is a dominant ninth. That is, the implied seventh chord is a dominant seventh , i.e. a major triad plus the minor seventh, to which the ninth is added: e.g., a C 9 consists of C, E, G, B ♭ and D. C dominant ninth (C 9 ) would usually be expected to resolve ...
A chord chart. Play ⓘ. A chord chart (or chart) is a form of musical notation that describes the basic harmonic and rhythmic information for a song or tune. It is the most common form of notation used by professional session musicians playing jazz or popular music.
Other chord qualities such as major sevenths, suspended chords, and dominant sevenths use familiar symbols: 4 Δ 7 5 sus 5 7 1 would stand for F Δ 7 G sus G 7 C in the key of C, or E ♭ Δ 7 F sus F 7 B ♭ in the key of B ♭. A 2 means "add 2" or "add 9". Chord inversions and chords with other altered bass notes are notated analogously to ...
The ChordPro (also known as Chord) format is a text-based markup language for representing chord charts by describing the position of chords in relation to the song's lyrics. ChordPro also provides markup to denote song sections (e.g., verse, chorus, bridge), song metadata (e.g., title, tempo, key), and generic annotations (i.e., notes to the ...
In practice, in a minor key, the third of the dominant chord is often raised by one semitone to form a major chord (or a dominant seventh chord if the seventh is added). In addition, the seventh degree of the major scale (i.e. the leading tone) forms a diminished chord (vii o). [4]
The value of the two products in the chord theorem depends only on the distance of the intersection point S from the circle's center and is called the absolute value of the power of S; more precisely, it can be stated that: | | | | = | | | | = where r is the radius of the circle, and d is the distance between the center of the circle and the ...