Chord Database: List of chords of the category 6 (page 22)

Chord	Chord Chart	Chord Sound
Bbmaj13 B flat major thirteenth Chord Family: maj13 (Rarely used) Guitar shapes and related scales - B flat major thirteenth - Bbmaj13 Piano shapes and related scales - B flat major thirteenth - Bbmaj13
Bbm13 B flat minor thirteenth Chord Family: m13 (Rarely used) Guitar shapes and related scales - B flat minor thirteenth - Bbm13 Piano shapes and related scales - B flat minor thirteenth - Bbm13
C13\Bb C (with Bb added as the lower note) thirteenth Chord Family: 13 (Rarely used) Guitar shapes and related scales - C (with Bb added as the lower note) thirteenth - C13\Bb Piano shapes and related scales - C (with Bb added as the lower note) thirteenth - C13\Bb