Tuba is a brass instrument with the lowest range in wind music and Orchestra. It was invented by German weiplexit in 1853. There are four kinds of musical instruments: e-flat, B-flat, c-flat and F-flat. The tone of the tuba is very deep. It plays the lowest part in the band. In order to walk and carry conveniently, it is usually played with the tuba held in front of the chest with a strap.

Tuba is the largest bass brass instrument in the orchestra. Its timbre is thick and deep, dignified and solemn. Together with double bass, it is the foundation of the orchestra. There are many forms of large, in addition to the above-mentioned hug, circle and Susa style, there is also a youfuni (subbaritone). The orchestra also uses the G, F, C major. Tuba is mainly used as bass harmony or rhythm in the band and is rarely used for solo. In fact, tuba is not only rich in bass, but also beautiful in its high range, so modern composers occasionally play melody with tuba.

Source: @ramiro.sandoval_