Chapter 24 The second plucked string instrument
The ordinary Harp has forty-six strings, and the tune can be changed by pedals.For use with string ensembles.
The round-bottomed violin Mandalin has a flat hemispherical ventral surface and four strings.The tuning method is the same as that of the small four-stringed violin.
The six-stringed violin Guitar is smaller in shape and the four-stringed violin is slightly fatter and has six strings.
The violin Banjo has a long belly and a slightly larger shape, with four strings.
The above three instruments are not included in the orchestral ensemble.
Attached picture: Total range of four bowed stringed instruments, six-stringed violin tuning score, round-bottomed violin, six-stringed violin, and violin.