this is the main theme for Soft Machine's "Orange Skin Food" (1969), im guessing its 
played by a sax but heres for the guitar:

e-----------------------------------------|
b-7-(b9)-10-(b9)------7-(b9)-10-(b9)--------------|
g-7-(b9)-10-(b9)------7-(b9)-10-(b9)--------------|
d-----------------------------------------|
a-----------------------------------------|
e-----------------------------------------|