-Intro-
E----------------------------------------
B----------------------------------------
G----------------------------------------
D--5--4--3--2--3--4--5--4--3--2--3--4----
A--5--4--3--2--3--4--5--4--3--2--3--4----
E--3--2--1--0--1--2--3--2--1--0--1--2----

-Verse-
E-------------------------------------------------------
B-------------------------------------------------------
G-------------------------------------------------------
D--4-/-5-5-5-5---4-/-5-5-5-5---4-/-5-5-5-5----3---------
A--4-/-5-5-5-5---4-/-5-5-5-5---4-/-5-5-5-5------4--3----
E--2-/-3-3-3-3---2-/-3-3-3-3---2-/-3-3-3-3--------------

Play verse 4 times then...

E--------------------------------
B--------------------------------
G-----7-7-7-7-7-7--10--10--10----
D-----7-7-7-7-7-7--10--10--10----
A-----5-5-5-5-5-5---8---8---8----
E--------------------------------

      "Cinco De Mayo"

Well, that's basically it except for, of course, the
solo.  Right before the solo you play a C, though.
That's all I know...