This is just an updated tab because I realized my other one was wrong. Enjoy.
Intro/Verse
G---------------------------------------|-----|
D---------------------------------------| |
A---------------------------------------| |---x3, then play this x1:
E-2/77777777-22222222-44444444-22222222-|-----|
G-------------------------------------|
D-------------------------------------|
A-22222222-44444444-66666666-99999999-|
E-------------------------------------|
Do that whole thing x2 and then play the chorus.
Chorus
G-----------------------------------------------------------------------
D-----------------------------------------------------------------------
A-----------------------------------------------------------------------
E-44444444-77777777-2222222222222222-44444444-77777777-2222222222222222-
[ Tab from: https://www.guitartabs.cc/tabs/l/ludo/hum_along_btab_ver_2.html ]
G------------------------------------------------------------------------|
D------------------------------------------------------------------------|
A-------------------99999999---------------------------------------------|
E-44444444-77777777----------22222222-44444444-77777777-2222222222222222-|
Break (You'll hum along, you'll hum along...)
G-------------------------------------------------------------------------|
D-------------------------------------------------------------------------|
A-------------------------------------22222222-44444444-66666666-99999999-|
E-77777777-22222222-44444444-22222222-------------------------------------|
Bridge 1 (Maybe you'd be kidnapped...)
G-------------------------------------------------------------------------|
D-------------------------------------------------------------------------|
A-------------------------------------22222222-44444444-66666666-99999999-|x2
E-77777777-22222222-44444444-22222222-------------------------------------|
Then play Chorus x alot.
Bridge 2
G---------------------|
D---------------------|
A---------------------|
E-4~-7~-2~-0-4~-7~-2~-|
Then play Chorus and the outro is the same as the intro.