Octave mandolin in unison. Alternate tunings exist in which the strings in some courses are tuned to octaves, rather than unisons, but this is more typical of the Irish Bouzouki. Usually, courses of 2 adjacent strings are doubled (tuned to the same pitch). The standard octave mandolin tuning is G2 G2 • D3 D3 • A3 A3 • E4 E4, so the lowest open strings are tuned to the lowest 'G' on the guitar, and the highest strings are tuned to the same 'E' as the highest string of the guitar. This tuning is one octave below the mandolin (or a fourth
Tenor violin of the tenor violin are the viola profunda and the violotta (both held at the shoulder). In the modern new violin family or violin octet, the tenor violin exists as an instrument tuned an octave below the violin and approximately the same size as a cello. The baritone violin in the same is an enlarged version of the cello. Tenor violin A tenor violin (or tenor viola) is an instrument with a range between those of the cello and the viola. An earlier development of the evolution of the violin family of instruments, the instrument is not standard in the