The importance of the Contrabass flute is obvious in a flute ensemble, however, it is sometimes used in place of some solos where the alto flute is not easy to play.

Contrabass flute is one octave lower than the standard flute in the key of C, and the tube at the lower end of the mouthpiece turns two turns and goes straight down. In modern works, the status of the Contrabass flute has become increasingly important. in flute ensembles, the Contrabass flute can make the ensemble timbre seamless, comparable to a string ensemble.

The contrabass flute is a pitch-shifting instrument, using a treble clef, and the actual pitch is 1 octave lower than the notation pitch. Contrabass flute can be played in the same range as the flute. But generally speaking, the Contrabass flute will not play the over-notation A6, because its treble is not accurate, and it is usually replaced by a flute.

Through the above introduction and analysis of the origin of the Contrabass flute, hope it helps you.