<kbd id='29af05b970'></kbd><address id='29af05b970'><style id='29af05b970'></style></address><button id='29af05b970'></button>

          A musical instrument is a device constructed or modified for the purpose of making music. In principle anything that produces sound can serve as a musical instrument.

          The expression, however, is reserved generally for items that have a specific musical purpose. The academic study of musical instruments is called organology.

          A musical instrument is a device constructed or modified for the purpose of making music. In principle anything that produces sound can serve as a musical instrument. The expression, however, is reserved generally for items that have a specific musical purpose. The academic study of musical instruments is called organology.

          美国第十次啦

          is a device constructed or modified for the purpose of making music. In principle anything that produces sound can serve as a musical instrument. The expression, however, is reserved generally for items that have a specific musical purpose. called organology.

          美国第十次啦

          is a device constructed or modified for the purpose of making music. In principle anything that produces sound can serve as a musical instrument. The expression, however, is reserved generally for items that have a specific musical purpose. called organology.