I used to use folder to organize my music, but nowadays, I just scan all my music and organize them electronically.
When I have a gig, I print out music and put them in a binder!
Check out the Bass Players forum if you want to talk about playing bass guitar.
Yeah I tried myself,
However the post was dated for almost 8 years ago. maybe he moved onto a different format since then?
I use my Ipad with an App. for Guitar Tabs. works great, I also have a notebook that's a working book. So I write quick notes in it so I know the basic rundown of a song. I rehearse it a handful of times first and then write out my final notes to see what I would need to go and say "OH YEAH" or my HEY IDIOT this is your next move.