Chording

Chording keyboards are also used as portable but two handed input devices for the visually impaired (either combined with a refreshable braille display or vocal synthesis).

Due to the small number of keys required, chording is easily adapted from a desktop to mobile environment.

Jerry Byrd is credibly the originator of the C6+A7 tuning ECAGEC sharp(CA) which allows a wider ranging of chording for Hawaiian and many other forms of modern music.

Monroe's style involved playing lead melodies in the style of a fiddler, and also a percussive chording sound referred to as " the chop " for the sound made by the quickly struck and muted strings.

Open-source designs A 104-key USB keyboard adapted into a chording keyboard.

This is known as a " reentrant tuning " it avoids the problems of a low-tuned bass string and enables uniquely close-harmony chording.