E|-----7-8-----7-8--|
B|-8-5-----5-8------|
G|------------------| (x8 before the main part on synth strings)
D|------------------| (x∞)
A|------------------|
E|------------------|

  
Main Ostinato - pick whichever you like best or transpose to create your own comfortable version. I prefer
playing it on the G-string, or using both the G- and B-strings. If you have a harmoniser, play around with
that and see if you like how it sounds.
() - Note is ringing from the previous bar

G-string version

E|-------------------------|----------------------------|
B|-------------------------|----------------------------|
G|-9~-7-5---5-7-7/9~--7/9~-|-(9~)-12-7~--5-7-7/9~--7/9~-| (x however many times you like)
D|-------------------------|----------------------------|
A|-------------------------|----------------------------|
E|-------------------------|----------------------------|

G- and B-string version - this one lets the high B note ring when coming back down

E|-------------------------|---------------------------|
B|-------------------------|------8~-------------------|
G|-9~-7-5---5-7-7/9~--7/9~-|-(9~)---7~--5-7-7/9~--7/9~-| (x however many times you like)
D|-------------------------|---------------------------|
A|-------------------------|---------------------------|
E|-------------------------|---------------------------|

D-string version

E|----------------------------------|------------------------------------|
B|----------------------------------|------------------------------------|
G|----------------------------------|------------------------------------| (x however many times you like)
D|-14~-12-10---10-12-12/14~--12/14~-|-(14~)-17-12~--10-12-12/14~--12/14~-|
A|----------------------------------|------------------------------------|
E|----------------------------------|------------------------------------|

B-string version

E|-------------------------|---------------------------|
B|-5~-3-1---1-3-3/5~--3/5~-|-(5~)-8-3~--1-3-3/5~--3/5~-|
G|-------------------------|---------------------------| (x however many times you like)
D|-------------------------|---------------------------|
A|-------------------------|---------------------------|
E|-------------------------|---------------------------|