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The 3 Keys set is an alternative version of the standard Arcana Strum keyboard (that has a set of 5 keys). People with cognitive and physical difficulties can use the 3 keys set instead of the 5 keys set. This simplifies the learning and playing experience significantly. Changing from 5 keys to 3 keys is very simple - the keys are attached to the instrument by magnets, so changing them is quick and easy. Playing in 3 keys limits the note range and makes playing simpler by reducing the amount of octaves from 3 octaves to 1.5 octaves.
In addition, the 3 keys mode consist of 7 chords only, as opposed to the 25 chords available in the standard 5 keys mode. It is important to emphasize that the 7 chords correspond to the 7 notes found on each scale. This makes a range of chords that is wide enough for users to enjoy a satisfying playing experience. After changing to 3 keys (which are larger and wider) and making sure the 3 keys switch located on the back of the instrument is activated, the user can start playing right away!
