Music has been there since man originated and it developed along with the advancements of human life. The instruments used to generate the rhythm of music also saw various improvements over the time. There are various ethnic musical instruments and each of them varies in the construction and thereby the appearance. 

Bodhran is a variety of drum with one end opened and the player uses his hand to produce the sound on the drum. The other end is covered with synthetic membranes or skins. It generally takes the form of a frame and the user can regulate the sound effects with the help of his hand. 

Doumbek Drums of Africa are constructed with ceramic and are handmade drums.  Because of this the appearance can vary in a wide range as each product is the creation of an artistic hand. The covered end can be of any synthetic material adapted to whether conditions.

Chinese gong has the appearance of a disc and are flat in shape. Here the main difference is the use of a mallet for beating on the drum to produce the rhythm of music. They are mainly constructed using bronze or brass and are purely metallic substances. 

Though the construction varies greatly the effect produced is intended at procuring a place in the heart of the musical lovers of the world. The interest towards these instruments has helped their transformation from one end of the world to the other.