Cello Cello The cello ( ; plural cellos or celli) or violoncello ( ; ) is a string instrument. It is played by bowing or plucking its four strings, which are usually tuned in perfect fifths an octave lower than the viola: from low to high, C, G, D and A. It is the bass member of the violin family, which also includes the violin, viola and the double bass, which doubles the bass line an octave lower than the cello in much of the orchestral repertoire. After the double bass, it is the second-largest and second lowest (in pitch) bowed
Guitar tunings tuning and typically lowers the pitch ("drops") of only a single string, more common is the whole instrument and least common is two dropped strings (ie. DADGAD). This is almost always the lowest pitched (E) string on the guitar, although occasionally the A string may be lowered. The Drop D tuning, for example, is common in classical guitar and heavy metal music. For it, the low E string is tuned down one whole step, to a low D, and the rest of the guitar remains in standard tuning. This creates an 'open power chord' (three-note fifth) with the low three