Main riff:
A e dim b E
|---------------|------------0--|-----------------2--|------------2^4--|
|------------2--|---------2-----|------------3-------|---------5-------|
|---------2-----|------3--------|---------4----------|------4----------|
|------2--------|---------------|------4-------------|---2-------------|
|---0-----------|---1-----------|---2----------------|-----------------|
|---------------|---------------|--------------------|-----------------|
it's use all over this song in exception of the solo and the chorus which are played with chords
