Well, here is the tab of Tabuu Battle Theme from Smash Bros Brawl.
You have to listen the music for that you can follow the tab.

Name Of Song: Final Battle (Tabuu Battle Theme)
Name Of Game: Smash Bros Brawl.
Composer Of Song:
Name Of Tabber: darkness2230
Date Tab Was Made: March 20th, 2010.

e-----------------------------------------------------------------|
B-----------------------------------------------------------------|
G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A---7-7---7-7---7-7---5-7-5--------7-7---7-7---7-7---5-7-5--------|
E---5-5---5-5---5-5--------7-5\3---5-5---5-5---5-5--------7-5\3---|

e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D----------------------------------------------------------------------------|
A---7-7-7-7-7-7-7-7-1010101010101010-12-12-12-12-12-12-12-12-3-3-3-3-5-5-5-5-|
E---5-5-5-5-5-5-5-5-8-8-8-8-8-8-8-8--10-10-10-10-10-10-10-10-1-1-1-1-3-3-3-3-|

0:33
e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D----------------------------------------------------------------------------|
A----------------------------------------------------------------------------|
E-555555555555555555555555555555555555555555555555555555555555555555555555555

0:40                             0:44
e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D----------------------------------------------------------------------------|
A----------------------------------------------------------------------------|
E-333333333333333333333333333333300000000000000000000000000000000000000000000

0:47
e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D----------------------------------------------------------------------------|
A----------------------------------------------------------------------------|
E-555555555555555555555555555555555555555555555555555555555555555555555555555

0:54                                 0:58
e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D----------------------------------------------------------------------------|
A----------------------------------------------------------------------------|
E-333333333333333333333333333333333332222222222222222222222222222222222222222

1:01
e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D----------------------------------------------------------------------------|
A-7--7--7--7--8--8--8--8--10-10-10-10--7--7--7--7--8--8--8--8--10-10-10-10---|
E-5--5--5--5--6--6--6--6--8--8--8--8---5--5--5--5--6--6--6--6--8--8--8--8----|

1:14
e----------------------------------------------------------------------------|
B----------------------------------------------------------------------------|
G----------------------------------------------------------------------------|
D--------------------------------------------------2-------------------------|
A--7-----7-----7------12--5--7-----7---7----12--5--2-------------------------|
E--5-----5-----5------10--3--5-----5---5----10--3--0-------------------------|

Repeat for more times, please listen the music and follow it, it's better like that. Enjoy!!