Artist - Muse
Song - Unintended 

The bass is played on pedals live so it?s very easy,
There is one bass line that is repeated throughout the song (except at the start, there is NO BASS) and the End.
Just let the notes ring out. 

Main riff

G--------------
D-----0--------
A---0-----3-2--
E-0-----3-----0 

It is played very slowly,

Ending

G----------
D----------
A-0--------
E---3-2-1-0 

Again, let the notes ring out. Simple yet lovely.