.  - palm mute           /  - slide up to
\  - slide down to       ~  - vibrato
h  - hammer on           b  - Bend
p  - pull off            Suffixes for bend
t  - tap                 f  - full bend    h - half bend
ph - pinched harmonic    q  - quarter bend t - tap bend
*  - see comment         ^  - Hold bend    r release bend
x  - Sticcatto           ~  - vibrato bend
,  - slight palm mute    () - ghost note, sustained note
'  - tremolo note         - Trill

Tuning: tune down 2 steps (C?)

Riff 1:PM the 6th string
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|-------9----10---7---7/9-------9-----10---7----5/7-----------------|
|-------9----10---7---7/9-------9-----10---7----5/7-----------------|
|-------7----8----5---5/7-------7-----8----5----3/5-----------------|
|-0000----00----0---0------0000----00----0----0---------------------|

Riff 2:PM the 6th string
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|----5h7--5h7--5h7--5h7--5h7---7h8--7h8--3h5---3h5---3h5------------|
|-00----0----0----0----0-----00----0---0-----0-----0----------------|

Riff 3: all PM
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|------7?-6?-3?-----7?-6?-------------------------------------------|
|--0?------------0?-------3?----------------------------------------|

Variation of riff 3: all PM
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|------999-888-555------999-888-------------------------------------|
|-222--777-666-333-222--777-666-555---------------------------------|
|-000--------------000----------333---------------------------------|

Riff 4:
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|----7--5--2--4-----7--5--2--4--------------------------------------|
|-2--7--5--2--4--2--7--5--2--4--------------------------------------|
|-2--5--3--0--2--2--5--3--0--2--------------------------------------|
|-0--------------0--------------------------------------------------|