Seven-string guitar string is augmented with a high octave string. Many of McGuinn's notable guitar solos utilize the G string of the twelve-string guitar to perform the main melody, and therefore the Martin seven-string guitar was designed to achieve this extended range playing without the need for doubling all six of the guitar's strings. In 2010, Inox Guitars has created a mix of the Brazilian Viola caipira and the Russian semistrunka (семиструнка). This instrument has 2 bass strings (as the 6th and 7th strings of the semistrunka) and five treble courses (as the Viola caipira) and it is used in open tuning
Banjo guitar keys, but also only five strings the short fifth string going up a hole at the 5th fret up a channel under the fingerboard, an through a hole in the headstock to a tuning roller. Banjo guitar Banjo guitar or Banjitar is a six-string banjo tuned in the standard tuning of a six-string guitar (E2-A2-D3-G3-B3-E4) from lowest to highest strings.. The six-string banjo was introduced in the late 19th century. Less widespread than four- and five-string banjos, it was reintroduced in the latter part of the twentieth century with the modern guitar-like tuning. The six-string "banjo guitar" should not be