Nickelback - If Today Was Your Last Day Bass

Standard tuning
My first tab

Part A
G-----------------|-----------------|-----------------|-----------------|
D-----------------|-----------------|-----------------|-3-3-3-3-3-3-3-3-|
A-3-3-3-3-3-3-3-5-|-6-6-6-6-6-6-6-5-|-1-1-1-1-1-1-1-1-|-----------------|
E-----------------|-----------------|-----------------|-----------------|

sometimes will end with just D3 being played once to ring

Part B
G-----------------|-----------------|-----------------|-----------------|
D-----------------|-----------------|-----------------|-----------------|
A-3-3-3-3-3-3-3-5-|-6-6-6-6-6-6-6-5-|-1-1-1-1-1-1-1-1-|-----------------|
E-----------------|-----------------|-----------------|-1-1-1-1-1-1-1-1-|

Play Part A for the verse and intro 
Play Part B for the chorus