Canterbury - Calm Down Bass

This is the first real tab I made up by myself, I only learned the main riff to 
this which is played for most of the song .If I learn the rest of it I’ll post it up.  

             Calm Down
          
G|------55-----55-----------------------------------------| 
D|------------------------66-------55---------------------|
A|-3-33---4--33-------------------------------------------|	
E|----------------3-4--44---4-3-33----3-------------------|

            Ambulance

This is the main riff.
G|--------------------------------------------------------| 
D|--------------------------------------------------------|
A|-22-------------------22--------------------------------|
E|----33-2--22-22-2---------22-3--33-33-3-----------------|

This is the bit before the chorus
G|-----4--------------------------------------------------| 
D|------5-4---------------4-5-4---------------------------|
A|-2-------5-4—X2---0-4-5-------5-555-444-----------------|
E|--------------------------------------------------------|