FYI: First Row At Bellows, Counter Bass - 2nd Row, Fundamental Bass - 3 rd Row, Major Chord - 4 Row Minor Chord - 5 th Row Dominant 7th Chord - 6 Row Diminished 7th Chord. Flats on all rows on bottom end, Sharps on top end. PM me with your email address, I will send a diagram of the fingerboard. Cannot figure out how to paste it in here.