Egyptian Ney set 7 pieces

Egyptian flute consisting of 7 pieces made of bamboo, which is a hollow tube (pipe) open at both ends, and is considered one of the most important wind instruments and Arabic music instruments and folk wind instruments, and the flute with a melodious sound has six holes in the front, every three holes slightly separated from the other three, and it has a fourth hole at the back in the middle of the flute, and these holes are open according to a predetermined mathematical ratio based on the ratios of the Arabic musical scale.