B flat major sharp eleventh (lydian) piano chord - Bbmaj9#11
The B flat major sharp eleventh (lydian) chord is a 6-note chord consisting of the notes Bb, D, F, A, C and E.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Bbmaj9#11.
Interactive piano diagram for the B flat major sharp eleventh (lydian) chord
Reduced chords
Chords that are a subset of Bbmaj9#11. These contain less notes but all of them are included in Bbmaj9#11.
B flat major sharp eleventh (lydian) piano chord chart image
In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows
the notes for the the Bbmaj9#11 chord. Feel free to save or share the image as needed.