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There are few keys in which one may play the progression with open chords on the guitar, so it is often portrayed with barre chords ("Lay Lady Lay"). The use of the flattened seventh may lend this progression a bluesy feel or sound, and the whole tone descent may be reminiscent of the ninth and tenth chords of the twelve bar blues (V–IV).
The major scale (or Ionian mode) is one of the most commonly used musical scales, especially in Western music. It is one of the diatonic scales . Like many musical scales, it is made up of seven notes : the eighth duplicates the first at double its frequency so that it is called a higher octave of the same note (from Latin "octavus", the eighth).
List of musical scales and modes Name Image Sound Degrees Intervals Integer notation # of pitch classes Lower tetrachord Upper tetrachord Use of key signature usual or unusual ; 15 equal temperament
They are relative to the new Tonic. The only required knowledge is the major scale for the given key. Unless otherwise noted, all numbers represent major chords, and each chord should be played for one measure. So in the key of C, the Nashville Number System notation: 1 4 1 5 represents a four-bar phrase in which the band would play a C major ...
A major drawback of using this method is its lack of use of accidentals. While in the numeric system, flats and sharps can be represented either by the use of fractions (e.g. an A natural in the scale above becomes 4 + 1 ⁄ 2) or, more commonly in written text, by inserting an accidental before the number (e.g. the same note becomes ♭ 5 or ...
In harmonic analysis and on lead sheets, a C major chord can be notated as C, CM, CΔ, or Cmaj. A major triad is represented by the integer notation {0, 4, 7}. A major triad can also be described by its intervals: the interval between the bottom and middle notes is a major third, and the interval between the middle and top notes is a minor third.
The chord-scale system may be compared with other common methods of improvisation, first, the older traditional chord tone/chord arpeggio method, and where one scale on one root note is used throughout all chords in a progression (for example the blues scale on A for all chords of the blues progression: A 7 E 7 D 7).
It is possible to have added tone chords with more than one added note. The most commonly encountered of these are 6/9 chords, which are basic triads with the sixth and second notes of the scale added. These can be confusing because of the use of 9, yet the chord does not include the seventh.