Violin typically are lower in pitch than the G-string; these strings are usually tuned to C, F, and B. If the instrument's playing length, or string length from nut to bridge, is equal to that of an ordinary full-scale violin; i.e., a bit less than , then it may be properly termed a violin. Some such instruments are somewhat longer and should be regarded as violas. Violins with five strings or more are typically used in jazz or folk music. Some custom-made instruments have extra strings which are not bowed, but which sound sympathetically, due to the vibrations of the bowed
Contrabass guitar Contrabass guitar A contrabass guitar is a low-register plucked string instrument in the guitar family with four, five or six strings. It is often called, simply, a "six string bass guitar". The "five string bass guitar" is rarely called a contrabass guitar, even though it typically has the same lowest note. Contrabass guitars have been around since 1899, when a "Grand Concert Contra Bass Guitar" was listed in Joseph Bohmann's catalogue. Bohmann, a violin, mandolin, guitar and zither manufacturer from Chicago, developed a large 6-string guitar. While some logically speculate that this instrument was tuned one octave lower than a