Progressions for the Octave Mandolin

Pick a key — its chords arrive as GDAE shapes, tuned for backing.

Every key's diatonic chords, mapped to real Octave Mandolin shapes. Pick a key below — its chord family arrives charted for GDAE courses, ready for backing work.

Most session playing is accompaniment: two or three changes, kept honest, all night. Knowing the key's family cold is what frees your ear to follow the tune.