Root

This page is about the root of a chord. For the n-th root of an interval, see Radical interval. For the tonic of a scale, occasionally called its 'root', see Tonic.

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Root (chord)

The root is a specific note that names and characterizes a given chord. Chords are often spoken about in terms of their root, their quality, and their extensions. The root of the chord often appears in the bass, although this is not always the case. When the chord is voiced such that the root is the lowest note, it is said to be in root position.

In tertian harmony

If the chord can be voiced as a stack of thirds, then the root is typically the lowest note in the stack.

In other types types of harmony

If a chord is not composed of thirds, the root can be ambiguous. The chord may still be given a root, although there is no established procedure for doing so.

See also

• Rooted interval
• Uprooted interval

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