F#5    C#sus4

E|------------------------------------------|
B|------------------------------------------|
G|------------------------------------------|
D|--4-4-4--4-4-4-4-4--4-4-4-4-4--4-4-4-4-4--|
A|--4-4-4--4-4-4-4-4--4-4-4-4-4--4-4-4-4-4--|
E|--2-2-2--2-0-0-2-2--2-0-0-2-2--2-0-0-2-2--|


then at 2:30min it changes to pattern 2:

      E5

E|------------------------------------------|
B|------------------------------------------|
G|------------------------------------------|
D|--2-2-2--2-0-0-2-2--2-0-0-2-2--2-0-0-2-2--|
A|--2-2-2--2-2-2-2-2--2-2-2-2-2--2-2-2-2-2--|
E|--0-0-0--0-0-0-0-0--0-0-0-0-0--0-0-0-0-0--|


and at 3:00min it changes back to pattern 1 accompanied by this guitar riff :


E|---------------------------|
B|---------------------------|
G|--11-13-11-13-14-16-14-13--|
D|---------------------------|
A|---------------------------|
E|---------------------------|