Showdown (intro) Tab

ok i really want someone to tab this song in its entirety! wat i have is probably way 
the mark, but hopefully someone can work off of it...

guitar 1
e------------------------|
B------------------------|
G------------------------|
D----7-8-5-7---5---------| X4 it sounds just as good up one octave
A-55---------8---7-------|
E------------------------|


then guitar 2 comes in with
e-------------------------|
B-------------------------|
G-------------------------|
D--12--10-8--7------------|
A--12--10-8--7------------|
E--10--8--6--5------------|


then parts like this-when the singing comes in
e--------------------------|
B--------------------------|
G--------------------------|
D--12-(12)---10--(10)------|
A--12-(12)---10--(10)------|
E--10-(10)---8---(8)-------|
sorry thats all i have, someone add on please!