New standard tuning

New standard tuning (NST) is an alternative tuning for the guitar that approximates all-fifths tuning. The guitar's strings are assigned the notes C2-G2-D3-A3-E4-G4 (from lowest to highest); the five lowest open strings are each tuned to an interval of a perfect fifth {(C,G),(G,D),(D,A),(A,E)}; the two highest strings are a minor third apart (E,G).

All-fifths tuning is typically used for mandolins, cellos, violas, and violins. On a guitar, tuning the strings in fifths would mean the first string would be a high B. NST provides a good approximation to all-fifths tuning. Like other regular tunings, NST allows chord fingerings to be shifted from one set of strings to another.

NST's C-G range is wider, both lower and higher, than the E-E range of standard tuning in which the strings are tuned to the open notes E2-A2-D3-G3-B3-E4. The greater range allows NST guitars to play repertoire that would be impractical, if not impossible, on a standard-tuned guitar.

NST was developed by Robert Fripp, the guitarist for King Crimson. Fripp taught the new standard tuning in Guitar Craft courses beginning in 1985, and thousands of Guitar Craft students continue to use the tuning. Like other alternative tunings for guitar, NST provides challenges and new opportunities to guitarists, who have developed music especially suited to NST.

NST places the guitar strings under greater tension than standard tuning. Standard sets of guitar strings do not work well with the tuning as the lowest strings are too loose and the highest string may snap under the increased tension. Special sets of NST strings have been available for decades, and some guitarists assemble NST sets from individual strings.

New standard tuning (NST) was invented by guitarist Robert Fripp of the band King Crimson in September 1983.

"I was in the Apple Health Spa on Bleecker and Thompson [in New York City] back in September 1983, in the sauna at half past 10 in the morning, almost asleep, and the tuning flew over my head. At the time I couldn't understand what it was for. I was asked to give a guitar seminar at Claymont Court in December 1984, to raise funds for the running of the estate and the children's school. There was a click and I realized the tuning was for the guitar class."

Fripp began using the tuning in 1985 before beginning his Guitar Craft seminars, which have taught the tuning to three thousand guitarists.