Solo before the second verse:
1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 +
E-------------------------------------------------------------------|
B--6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6---6---6--------|
G--8b1010101010101010101010101010109-9-9-9-9-9-9-9-9---6---6--------|
D----------------------------------^---------------------------8----|
A----------------------------------|--------------------------------|
E---------------------------------(Release to nine)-----------------|
E--6-6-6-6-6-6-6----------------------------------------------------|
B--6-6-6-6-6-6-6-9-9-9-9-9-9-9-9-9-----6---6---6-6-6-6-6-6-6-6-6-6--|
G--------------------------------------6---6---6-8b1010101010101010-|
D----------------------------------8-----8---8----------------------|
A-------------------------------------------------------------------|
E-------------------------------------------------------------------|
This bit is played over the second half of the verse (twice):
1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 +
[ Tab from: https://www.guitartabs.cc/tabs/p/powderfinger/on_my_mind_tab_ver_5.html ]
E-(played on each strum of the chords)------------------------------|
B-------------------------------------------------------------------|
G-------------------------------------------------------------------|
D--------------------------6-------8-8-8-8---8-8---8-1313--13--13---|
A--------4-----6-----8-------------8-8-8-8---8-8---8-1313--13--13---|
E--6-------------------------------6-6-6-6---6-6---6-1111--11--11---|
This is the solo after the build up, though you probably know it from
the other tabs (played four times):
1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 +
E--6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-4-4-4-4-4-4-4-4-3-3-3-3-3-3-3--|
B--6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4--|
G-------------------------------------------------------------------|
D-------------------------------------------------------------------|
A-------------------------------------------------------------------|
E-------------------------------------------------------------------|
This bit is in the outro (played four times):
1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 +
E--6p4-------------6p4----------------------------------------------|
B------6---------------6---------------------------6p4--------------|
G------------------------------------------------------6------------|
D-------------------------------------------------------------------|
A-------------------------------------------------------------------|
E-------------------------------------------------------------------|
So that's all the solos and stuff, the chords you should already know.