Gb eleventh chords
Gb11 chord for piano presented by keyboard diagrams.
Explanation: The G flat eleventh is a six note chord. Due to practical circumstances and/or dissonance the third (Bb) is omitted and/or the chord is played inverted. The chord is often abbreviated as Gb11.
Theory: The Gb eleventh chord is constructed by adding a third to a ninth chord.
Notes: Gb - Bb - Db - E - Ab - B