Intro (Main Riff)

E|------------------------------------------|

B|------------------------------------------|

G|--5---------------------------------------|

D|----7-5-----5-----------------------------|

A|---------7-----7--5-0--3--0----5-6-7------|

E|----------------------------0--3-4-5------|







Verse

E|------------------------------------------|

B|------------------------------------------|

G|---------------0--------------------------|

D|-9--7-9--9-7-9-0--9---9--7-9--9-7-9-------|

A|-7--7-7--7-7-7----7---7--7-7--7-7-7-------|

E|------------------------------------------|

[ Tab from: http://www.guitaretab.com/a/aerosmith/223.html ]

There are many many possible varriations to 

the verse riff... like this:

E|------------------------------------------|

B|------------------------------------------|

G|------------------------------------------|

D|---------------5--------------------------|

A|-7--5-7--7-5-7----7---7--5-7--7-5-7-------|

E|------------------------------------------|



Or like this

E|------------------------------------------|

B|------------------------------------------|

G|---------------0--------------------------|

D|-2--0-2--2-0-2-0--2---2--0-2--2-0-2-------|

A|-2--0-2--2-0-2----2---2--0-2--2-0-2-------|

E|------------------------------------------|

Do whatever sounds right to you