its all variations of this one main riff: E|---------------------------------| B|---------------------------------| G|---------------------------------| D|---4-5-4-2-0--0----------0-------| A|------------------4-2-0----------| E|-------------------------0-------| E|---------------------------------| B|---------------------------------| G|--------------2------------------| D|---4-5-4-2-0-------------0-------| A|------------------4-2-0----------| E|-------------------------0-------| E|------------------------------------| B|--7-8-7-5-3-3-2-0-------------------| G|------------------2-----------------| D|--------------------0---------------| A|------------------------------------| E|--------------------0---------------|