riff 1a:                            riff 1b:
E|---------------------------------| |---------------------------------|
B|---------------------------------| |---------------------------------|
G|---------------------------------| |---------------------------------|
D|---------------------------------| |---------------------------------|
A|-7---7-----7---7\6---6-----6---6/| |-----------------6---6-----6---6/|
E|-5---5-----5---5\4---4-----4---4/| |-5~----7~----5~--4---4-----4---4/|

Note:  The chord noted as "C/B" is simply a C chord with the B note as the 
       lowest note (-x-2-5-5-x-x-).  Since it is coupled with the C chord, 
       simply move the index finger down one fret to form this chord.

 backtracked Latin prayer...
 riff 1a (3x) riff 1b [3x]
 D E  F
 riff 1a (3x) riff 1b [2x]
 C#  C C/B C (4x)
 D E  F
 F  C B (3x)
 Eb  F
 riff 1a (3x) riff 1b [2x]
 C#  C C/B C (4x)
 D E  F
 F  C B (3x)
 Eb  F
 F  C B (3x)
 Eb