Akkorder C Fretboard G C E A I II III IV 3 D Fretboard G C E A I II III IV 1 1 1 E Fretboard G C E A I II III IV E7 Fretboard G C E A I II III IV F Fretboard G C E A I II III IV G Fretboard G C E A I II III IV A Fretboard G C E A I II III IV A7 Fretboard G C E A I II III IV B Fretboard G C E A I II III IV