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Notes that are shown as sharp or flat in a key signature will be played that way in every octave—e.g., a key signature with a B ♭ indicates that every B is played as a B ♭. A key signature indicates the prevailing key of the music and eliminates the need to use accidentals for the notes that are always flat or sharp in that key. A key ...
Extended chords add further notes to seventh chords. Of the seven notes in the major scale, a seventh chord uses only four (the root, third, fifth, and seventh). The other three notes (the second, fourth, and sixth) can be added in any combination; however, just as with the triads and seventh chords, notes are most commonly stacked – a ...
Key signatures can theoretically be extended through double flats or double sharps and beyond, but this is extremely rare. For example, the key of G ♯ major would have eight sharps, requiring six single sharps and an F double-sharp (F). The key of A ♭ major, with four flats, is enharmonically equivalent and would generally be used instead.
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 ...
When a musical key or key signature is referred to in a language other than English, that language may use the usual notation used in English (namely the letters A to G, along with translations of the words sharp, flat, major and minor in that language): languages which use the English system include Irish, Welsh, Hindi, Japanese (based on katakana in iroha order), Korean (based on hangul in ...
In jazz chords and theory, most triads that appear in lead sheets or fake books can have sevenths added to them, using the performer's discretion and ear. [1] For example, if a tune is in the key of C, if there is a G chord, the chord-playing performer usually voices this chord as G 7.
In 5-limit just intonation, the diminished chord on VII (in C: B–D–F) is 15:8, 9:8, and 4:3, while on II (in C: D–F–A ♭) it is 9:8, 4:3, and 8:5 (135:160:192). According to Georg Andreas Sorge , the trumpet , in its overtone series on C, gives the diminished triad E–G–B ♭ = 5:6:7 ("perfect diminished chord" [ 11 ] ), but the 7 ...
A musical passage notated as flats. The same passage notated as sharps, requiring fewer canceling natural signs. Sets of notes that involve pitch relationships — scales, key signatures, or intervals, [1] for example — can also be referred to as enharmonic (e.g., the keys of C ♯ major and D ♭ major contain identical pitches and are therefore enharmonic).