A course is a pair or more of adjacent strings tuned to unison or an octave and usually played together as if a single string. It may also refer to a single string normally played on its own on an instrument with other multi-string courses, for example the bass string on a nine string baroque guitar.
An instrument with at least one (multiple string) course is referred to as coursed, while one whose strings are all played individually is uncoursed.
Instruments that use two-string courses include:
- Twelve-string guitar
- Baroque guitar
- Lute
- Mandolin
- Saz
- Springtime, a seven string guitar with three coursed strings
- Vihuela
Instruments that use three-string courses include:
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Mandolins
All members of the mandolin family except the lowest-pitched have courses each of two or three strings, most commonly eight strings in four courses.
The exception, the mando-bass, has four individual strings.
Lutes
Guitars
Baroque guitar
The baroque guitar has five courses, with the top four always double strung, and the bass string either double or single.
There are also several patterns of modern ten-string guitar but all have ten single strings, played individually.
Twelve-string guitar
The twelve-string guitar has twelve strings in six courses. The courses are most often tuned E-A-D-G-B-E similarly to a six-string guitar, however older instruments were often tuned one tone lower D-G-C-F-A-D to reduce the tension on the neck, and commonly played with a capo on fret 2.
The lowest three courses (E-A-D) are normally tuned at octaves, with the pimary string uppermost and the octave below it, while the upper two coarses (B-E) are tuned to unison. The G course is either unison or at octaves.
On some electric twelve-string guitars, and notably the Rickenbacker 360/12, the octave strings are below the primary strings.
Twelve-string bass
The electric twelve-string bass has twelve strings in four triple courses. Basses have also been built with six double courses and other configurations but these are rare.
Alternative tunings
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This section requires expansion. |
The American Noise band Sonic Youth is famous for using alternate tunings on their instruments which are mainly double or triple courses, see Sonic Youth's alternate tunings.
See also
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