page_title: Thummer keyboard
section_title: Features
hierarchical_section_title: Thummer keyboard / Features
caption_attribution_description: English: Basic fingering of a jammer. Note the small movement needed to play any note.
context_page_description: A Thummer is a proposed commercial musical instrument characterized by
  at least one isomorphic keyboard, and
  thumb-operated and/or motion-sensing expressive controls.
  The Thummer was to be a type of jammer keyboard. Research suggests that the jammer's combination of thumb-controls and internal motion sensors could give more expressive potential than other polyphonic musical instruments such as the piano, guitar, and accordion. Isomorphic keyboards similar to those used in a jammer have been shown to accelerate the rate at which students grasp otherwise-abstract concepts in music theory.
context_section_description: At least one 2-dimensional keyboard in a hexagonal array; preferably, one for each hand.
  The keys of the left-hand instrument are mirror-imaged to those on the right, to match the mirroring of one's hands.
  Notes assigned to the array using the Wicki/Hayden note-layout.
  At least one thumb-operated expressive control (such as the thumb-operated joysticks found on seventh-generation video game controllers).
  Optionally, other expressive controls, such as internal motion-sensors (such as those found in the Wii Remote video game controller), foot-pedals, breath controllers, etc.
caption: How the fingers are positioned to play a thummer.
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