based on A

Tuning 6 5 4 3 2 1
A E A E G# C# E
A C# A C# G# A E
modified A E A C# E A E
Am E A E A C E
Am combo F A C E A E sounds sort of ok / almost Am and F together / have also seen this called Fm7
Hawaiian A E A E A C# E or low bass A / SAME AS OPEN g TUNED UP A STEP OR CAPO 2ND FRET
Asus4 D A C# E A E looks like modified A tuning w/ D instead of E in the bass
A7 E A C# G C# E
A9 E B C# G A E
Amaj7 C# A C# G# A E
Am7add9 C G E E B E
open A? E A E A C# E A tuning - Robert Johnson - Come On In My Kitchen - Milkcow's Calf Blues - Stones In My Passway - Stop Breakin' Down Blues - Traveling Riverside Blues open G (DGDGBD w/capo 2nd fret?
Amaj7 C A C G A E why dosen't this have a C# in it?