Aero phones are divided into two categories: those that make sound with the vibration of two Ghomishes, and those that make sound with one. Do-Zaleh stands for the second categories. Do-Zaleh is a popular instrument among folks. Performing this instrument is easy. It is made of two thin pipes or from the bone of bird’s legs. These pipes are tied together and each pipe has six holes. Each pipe also can separately make sound. The end of each pipe is opened that one small pipe would be joined to it. This small part is locally called Bik. The estimated length for this instrument is about 22 cm and 7/5 millimeters for it’s width. The ability of this instrument for making sound is one octave. This amount could be variable based on the size of the instrument. According to elders in the area, this instrument is one of the ancients instruments used in this area.
Form and constructive parts of Do-Zaleh
Ney : 19 cm. made of pipe or the bone of bird’s leg(eagle) Width: 7/5 millimeters GHOMISH: This part is placed in the Ney about 6 cm
| name of part | size | made of |
| Ney | 19 cm | made of pipe or the bone of bird’s |
| leg(eagle) | 7/5 millimeters | made of pipe or the bone of bird’s |
| GHOMISH | This part is placed in the Ney about 6 cm | wood |






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