|-------9--9h11-9-----12-11---12-11h12--------------------
|-----9--------------------------------9------------------
|-9p7-----------------------------------------------------
|----------------------------------------------7-7--------
|--------------------------------------------------------------
|--------------------------------------------------------9p7-9-
|--------------------------------------------------------------
|-10----10-10-----9------9-9------9-8-----8-6-----6-7----------
|---------------------------------------------------------------
|-7-----7-6-------6-5-------5-4------4-5------5-7----7-9--------
|---------------------------------------------------------------
|----------------------------------------------------------7-7--
Composição de Frank Iommi, John Osbourne, Terence Butler, William Ward
