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In classical music, a third is a musical interval encompassing three staff positions (see Interval number for more details), and the major third ( Play (help·info)) is a third spanning four semitones. Along with the minor third, the major third is one of two commonly occurring thirds.
What is a third and fifth in music?
The bottom note of a basic triad is known as the root. The middle note is the third because it is a 3rd above the root, and the top one is the fifth because it is a 5th above the root. The qualities of the thirds (major or minor) used to build a triad determine the quality of the chord itself.
How much is a third in music?
A major third is made up of four half steps. A major third is made up of four semitones.
What is a 3rd in a chord?
In music, the third factor of a chord is the note or pitch two scale degrees above the root or tonal center. When the third is the bass note, or lowest note, of the expressed triad, the chord is in first inversion. Play (help·info).
