Thirteenth
(重定向自Thirteenth chord)

![Dominant thirteenth chord in four-part writing[3] Play .](/uploads/202502/16/Dominant_thirteenth_chord_on_C_4_voice2535.png)
![Dominant thirteenth chord in Claude Debussy's Prélude à l'après-midi d'un faune (1894)[7] Play](/uploads/202502/16/Prelude_to_the_Afternoon_of_a_Faun_dominant_thirteenth_chord2535.png)
![Voice leading for dominant thirteenth chords in the common practice period.[8] Play](/uploads/202502/16/Thirteenth_chord_voice_leading2535.png)
In music or music theory, a thirteenth is the interval between the sixth and first scale degrees when the sixth is transposed up an octave, creating a compound sixth, or thirteenth. The thirteenth (an octave plus a sixth) is most commonly major Play or minor Play .