
Instruments are designed and constructed with individuals or groups to accommodate specific needs and abilities. The design process involves gaining a thorough understanding of the intended players requirements and skills through visits and discussions. Unique instruments are therefore created which work well for the individual.
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The design brief for this was to make an instrument that people with complex disabilities (Profound and Multiple Learning Disabilities or an Autistic Spectrum Disorder) could play. The instrument works by merely gently pushing it, which makes it rock back and forth. It has a very heavy base so will not fall over. It can be spun round and round. The sounding part of the instrument consists of tubular bells slung vertically in a circle and a hard ball suspended on a cord in the centre of the tubes. As the instrument rocks back and forth the ball bounces randomly off the tubes. Tubes are tuned to avoid dissonances, and notes are doubled up and tuned very slightly apart so they beat like a Javanese gong or Balinese gamelan instruments. |

These single bar xylophones originate from the Democratic Republic of Congo. The pair are tuned to an interval of a fifth, the lower one being G at 96 hertz. They produce a very powerful, yet mellow tone due to the large size of the resonator. These instruments are very effective in multisensory environments because of the powerful way the calabash vibrate when played. These were developed for Oily Cart Theatre Co. for their multisensory shows.