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5604322 Automatic performance apparatus with a display device  
An automatic performance apparatus with an improved non-performance state display device. The automatic performance apparatus includes a memory device for storing automatic performance data for a...
5038659 Musical score block copy forming apparatus  
A musical score block copy forming apparatus has a musical keyboard (1) having a full-scale key group and a chromatic-scale key group, and a function keyboard (2) having function keys, and the...
4307648 Method and apparatus for measuring the dynamics of a piano performance  
The dynamics of a piano performance are measured by measuring the dynamics of each individual note played. This measurement is accomplished by measuring the "near terminal velocity" of the hammer...
2985053 Rhythm recorder  
Matches 1 - 4 out of 4