C7
C7[edit | edit source]
A C7 chord on the guitar The C7 chord is a commonly used chord in music theory and is often found in various genres such as blues, jazz, and rock. It is a dominant seventh chord, which means it consists of a major triad (C-E-G) with an added minor seventh (B♭). The C7 chord is denoted by the symbol "C7" or sometimes "Cdom7".
Structure[edit | edit source]
The C7 chord is built by taking the root note C and adding the major third (E), perfect fifth (G), and minor seventh (B♭). The chord can be played in various positions on the guitar, piano, or any other instrument capable of playing chords. In the standard tuning of a guitar, a common voicing for the C7 chord is x32310, where the numbers represent the frets being pressed down on the corresponding strings.
Usage[edit | edit source]
The C7 chord is often used as a dominant chord in the key of F major. In this context, it creates tension and leads to the F major chord, providing a sense of resolution. It is also frequently used in the blues genre, where it adds a bluesy and soulful sound to progressions. Additionally, the C7 chord can be substituted for other dominant chords in various musical contexts, allowing for harmonic variation and creativity.
Variations[edit | edit source]
There are several variations of the C7 chord that can be used to add different flavors to musical compositions. Some common variations include:
- C7sus4: This variation replaces the major third (E) with a perfect fourth (F), resulting in the notes C-F-G-B♭. It creates a suspended sound and can be used to add tension and release in chord progressions.
- C7#9: This variation adds a sharp ninth (D♯) to the C7 chord, resulting in the notes C-E-G-B♭-D♯. It is commonly used in jazz and blues to add a dissonant and colorful sound.
- C7b9: This variation adds a flat ninth (D♭) to the C7 chord, resulting in the notes C-E-G-B♭-D♭. It creates a darker and more tense sound and is often used in jazz improvisation.
See Also[edit | edit source]
References[edit | edit source]
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