笛 (dí) is a type of wind instrument commonly made from bamboo or other materials. It produces sound when air is blown across an opening, creating vibrations. The笛 has a long history in various cultures, often used in traditional music and ceremonies. In Chinese music, the笛 is known for its expressive tones and is often featured in ensembles alongside instruments like the 二胡 (èrhú) and 古筝 (gǔzhēng). It is played in different styles, ranging from folk to classical, and is appreciated for its ability to convey emotions and tell stories through music.