E|--2--/4---------------0---------| NOTE: When sliding up to the 3rd and
B|------------------0-------------| 4th fret, the 3rd and 1st strings are
G|1----/3---------1----(0)--------| NOT picked.
D|----0-------0-------0-------0---| The (0) indicates the removal of the
A|--------------------------------| index finger from the 1st fret, the
E|0-------0-------0-------0-------| 3rd string is not picked.

Riff.2
                    p     h p
E|------0---------2\0---0/2\0---0-|--------------0-----------------|
B|--2-----------------2-------2(0)|----------0---------------------|
G|1-------------1--------------(0)|--------1----(0)----------0-----|
D|----0-------0-------0-------0---|----0-------0-------0-------0---|
A|--------------------------------|--------------------------------|
E|0-------0-------0-------0-------| 0-------0-------0-------0-------|

Riff.3
          
E|--7-------5-------0-----------0-|--------------0-----------------|
B|-------s-------s-------h--0-----|----------0---------------------|
G|7-----7\5-----5\3-----0/1----(0)|--------1----(0)----------0-----|
D|----0-------0-------0-------0---|----0-------0-------0-------0---|
A|--------------------------------|--------------------------------|
E|0-------0-------0-------0-------| 0-------0-------0-------0-------|

Riff.4 (played twice)
        s
E|--10-/12--------------0---------|
B|------------------0-------------|
G|10---/12--------1----(0)--------|
D|----0-------0-------0-------0---|
A|--------------------------------|
E|0-------0-------0-------0-------|