Jax Proposed 55-key Hayden Duet Layout

The bellows release would constitute a 56th key.

Hayden Duet Proposed Layout
Bass Side

Bb
	F		G		A		B
Bb		C		D		E		F#		G#
	F		G		A		B		C#		D#
		C		D		E		F#		G#
									C#		D#

Hayden Duet Proposed Layout
Treble Side

Bb		C		D		E
	F		G		A		B		C#		D#
Bb		C		D		E		F#		G#
	F		G		A		B		C#		D#
Bb		C		D		E		F#		G#
							B		C#		D#