| Ok, let's stay on the top string on a 6 str bass - the C string. Basically, you can find an octave harmonics on the 12th fret (a C an octave higher than the open string C) while using the open C as the "root note." If you press the 2nd fret on the C string, which will make your "root note" a D. So the 2nd fret becomes the hypothetical nut, which means you will find an octave harmonics on the 14th fret on the C string (since it's 12 frets above your root note, aka 2nd fret D).
__________________
Sig-neh-chure... eh?
| 
