<kbd id='6c4897055e'></kbd><address id='6c4897055e'><style id='6c4897055e'></style></address><button id='6c4897055e'></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.

          青青精品国产自在线拍

          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.

          青青精品国产自在线拍

          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.