great summer tune, just a simple riff over and over 

e|-10-8-7-8-----------(8)----------------------------------------------------| 
B|----------8-10-----------------8-10----------------------------------------| 
G|---------------9-10-------9-10------9-7------------------------------------| 
D|----------------------------------------9-7--------------------------------| 
A|---------------------------------------------------------------------------| 
E|---------------------------------------------------------------------------| 

or 

e|---------------------------------------------------------------------------| 
B|---------------------------------------------------------------------------| 
G|-7-5-4-5---------(5)-------------------------------------------------------| 
D|---------5-7------------------5-7------------------------------------------| 
A|-------------7-8----------7-8-----7-5--------------------------------------| 
E|--------------------------------------7-5----------------------------------|