this is the cool electric riff in love is like oxygen by ELO.
e|--------------------------------------------------------------------------------------|
B|--------------------------------------------------------------------------------------|
G|----5------5------5------4-----3-----3------3------4------5---------------------------|
D|----7------7--- --7------6-----5-----5------5------6------7---------------------------|
A|----7------7------7------6-----5-----5------5------6------7---------------------------|
E|----5------5------5------4-----3-----3------3------4------5---------------------------|
and so on. there is alot of palm muting here. You can figure out the timing your self 
listening to this excellent song.