--Intro
Just listen for strumming pattern
E----------------------------------------|
B----------------------------------------|
G-------7--------------------------------|
D----7--X--------------------------------|
A-9--5--5--5-----------------------------|
E-7--------3-----------------------------|
Then there's that long retarded silence
[ Tab from: http://www.guitaretab.com/m/morning-glory/182029.html ]
"C'mon!"
E----------------------------------------|
B----------------------------------------|
G----------------------------------------|
D---x-x---x-----2------------------------|
A-4-x-x-4-x-4-4-2-5~---------------------|
E-2-x-x-2-x-2-2-0-3~---------------------|
(Other guitar slides this slowly)
E-9//-----------------------------------|
B---------------------------------------|
G---------------------------------------|
D---------------------------------------|
A---------------------------------------|
E---------------------------------------|
and that's pretty much it...
The intro then becomes the chorus, which appears occasionally.