Tell me more ×  Why is there that funny tuning kink between the
G and B string on a guitar in standard tuning? I.e., the
(musical) gap between the rest of the adjoining strings is 5
frets (or a perfect fourth), but the gap between the G and B
string is only 4 frets (or a major third). Why is that?  It
seems to make more sense to tune it all in perfect fourths and
end up with EADGCF. I understand that other string instruments
have the same gap between all of their strings.  share|improve
this question Try it! You'll either love the 'CF' or you'll know
why not! (empirically) –  luser droog Oct 29 '12 at 6:23 It
helps with the bar chords. Many bar chords would be impossible
if not for the G - B interval. –  Neil Meyer Nov 13 at 10:31 add
comment  7 Answers  I've seen it argued that the instrument that
became the guitar started with the major G chord set, the
second, third and fourth string, probably in pairs, as the
entire string set for the instrument. The first string was then
added, and the lower strings were