| 摘要 |
PROBLEM TO BE SOLVED: To provide a musical instrument that is simple and clearly understandable to perform, can be used as a bass to be operated by feet or, when the performer cannot use his or her hands temporarily on account of injury or the like or is permanently handicapped in the use of hands, enjoyably performed as a very common melody instrument.SOLUTION: A circle of fifth-utilizing musical instrument can be used not only as a foot-operated accompanying instrument when another instrument is played at the same time but also by itself as a foot-operated solo instrument. |
