ocr: Tuning the Guitar (3of3) Inrelative tuning, open strings are matched to fretted notes on other strings. Head of Guitar (Low) (High) 1st 2nd: string string played played open open == == 2nd: 3rd string string played played with with finger finger held held behind behind the the 5th 4th fret. fret. E - ADG B E 3rd string played open == 4th string played with finger held behind the 5th fret. 4th string played open == 5th: string played with finger held behind the 5th fret. 5th string played open == 6th string played with finger held behind the 5th fret. Open guitarstrings can also be Middle match ...