----------------------------
 ----------------------------
---1-----2-----3-3---3---  X4
-------------------3-3----
-------0----------1-------
-0---0------2------------

--------------------------------
----------3-3-3-xx-------5--5-5-
-3-3-3-xx-3-3-3-xx-5-5-x-5--5-5-
-3-3-3-xx-1-1-1-xx-5-5-x-3--3-3-
-1-1-1-xx----------3-3-x--------


  other Intro/verse
-----------------------------------
-----------------------------------
-------------3-----------------5---
----3--------3-----5-----------5---
----3--0--1----0---5--0--3--3--3---
-1---------------3-----------------