[quote name='arthurhenry' timestamp='1393166163' post='2376851']
12th fret makes sense, but why 3, 5, 7, 9? Why not 2,4,6,8,10? Who decided and why?
Another observation: Eb/D# and Ab/G# are the only notes not marked by dots on a 4 string bass.
[/quote]
What about Bb, B, Db, F, G, ?
They don't have position markers either, or have I misread ?