Harmonium is a musical instrument which is a free-reed organ that generates sound as air flows past a vibrating piece of thin metal in a frame. It is an important instrument in many genres of Indian music especially classical. It is widely used in India in Indian music concerts. A lot of Singers use harmonium for practicing vocals to make their vocals and music knowledge more strong. Wannabe singers use it to learn music, understand Sur and improve their vocals. Harmonium is one of the best m