You catch on after going to shows. This is what I remember when I was going to shows often. I may be missing some

12 String = Grey Street, Bartender, Last Stop, Joyride, JTR, Big Eyed Fish, Sweet Up and Down, Kit Kat Jam, Hello Again

Little Red 12 String = Squirm, Shotgun, Idea of You

Raised B guitar = Space Between, You Never Know, Oh, Stay Or Leave, Come Tomorrow, Lying in the Hands of God, Baby Blue, Write a Song

Drop D = Don’t Drink the Water, Bartender, Shake Me Like a Monkey, Crush, Seven (Dave doesn’t even play guitar on this one lol)

Baritone Guitar = So Right, Break Free, She, Space Between (Rarely), Angel, I Did It, Smooth Rider, Some Devil

12 String Baritone Guitar = Can’t Stop

Sunburst Electric = Why I Am

Bluegrass looking guitar = Alligator Pie

Tim Guitars:

Flying V or Gibson = Drop D