The music played by the Tin Flute in Lord of the Rings is in the key of C.

The whistle has six holes, commonly known as the 6-hole whistle. Whistle is generally made of metal, but also made of wood. The whistle made of tin is called a tin whistle, and the blowing mouth is made of plastic or wood chips. This kind of whistle is the most widely used in traditional Irish music, so it is also called a tin whistle. Called the Irish Whistle.

The Irish whistle is also known as the "tin whistle", "Penny Whistle", whistling whistle, and tin whistle. It is a very common folk instrument with Irish characteristics. Among them, the treble whistle is shorter and smaller, and the size becomes larger towards the bass whistle. But the structure is similar to the high-pitched whistle.