Duettina is an easy-to-play, Hayden-style duet concertina for the iPhone.
The Hayden-style layout is very intuitive to learn to play, with the notes in scale order.
The left side is one octave below the right side. Scales walk from the left and right edges towards the center.
Two of the most common layout options are provided: mirror image and inverted.
To play, simply press the buttons. You may also slide your fingers between the buttons.
Multiple buttons may be pressed at the same time to play chords.
Touch the '?' button to cycle through the following layouts:
Mirror image with labels
Mirror image no labels
Inverted with labels
Inverted no labels
Uses high-quality audio samples recorded from a very nice acoustic concertina.
Icon image based on a beautiful R. Morse Beaumont Hayden Concertina