This song is played in regular key (EADGBe)
emphasize the bass strings in the beginning of each measure

h=hammer-on
   Am (x02210@1)                 Ame|-----0--0--0--------|-------0--0--0--0---|| (x02210@1)B|-----1--1--1--------|-------1--1--1--1---||
G|-----2--2--2--------|-------2--2--2--2---||
D|-----2--2--2--------|--0h2--2--2--2--2---||
A|-0------------------|--------------------||
E|--------------------|--------------------||

INTRO:
  Am (x02210@1)Am (x02210@1)Am (x02210@1)Am (x02210@1)VERSE 1

   Am (x02210@1)           Am (x02210@1)       G (320003@1)           Am (x02210@1)  Am (x02210@1)Am (x02210@1)Am (x02210@1)As soon as you're born, they make you feel small

   Am (x02210@1)          Am (x02210@1)     G (320003@1)        Am (x02210@1) Am (x02210@1)Am (x02210@1)Am (x02210@1)By giving you no time, instead of it all

         Am (x02210@1)       Am (x02210@1)          G (320003@1)          Am (x02210@1) Am (x02210@1)Am (x02210@1)Am'Til (x02210@1)the pain is so big, you feel nothing at all

CHORUS

Am (x02210@1)          Am (x02210@1)    G (320003@1)             Am (x02210@1) Am (x02210@1)Am (x02210@1)AmWorking (x02210@1)Class Hero is somethin' to be

Am (x02210@1)          G (320003@1)     D (xx0232@1)            Am (x02210@1)Am (x02210@1) Am (x02210@1)AmWorking (x02210@1)Class Hero is somethin' to be


---repeat chords throughout song---

OUTRO: 

       Am (x02210@1)       Am (x02210@1)       G (320003@1)         AmIf (x02210@1)you wanna be a hero, well just follow me

       Am (x02210@1)       Am (x02210@1)       G (320003@1)         DIf (xx0232@1)you wanna be a hero, well just follow me

e|-------------0------|-----------0--------||
B|----------1---------|----------1---------||
G|-------2------------|---------2----------||
D|----2---------------|--------2-----------||
A|-0------------------|-------0------------||
E|--------------------|--0-----------------||