Demon Hunter - Heartstrings Come Undone Bass

I was disappointed when I looked up bass tabs 4 Demon Hunter. There basically isnt any. 
a noob bassist so i wanted to learn how to play my fav bands stuff but there wasnt any 
I tried to fig it out and this is what I got. By the way this is my 1st tab ever so bear with me.


The tuning is in drop b

Intro
E------------------------------------------------------|
B------------------------------------------------------|
F#-----------------------------------------------------|
B-2--5--0--7-------------------------------------------|

Verse
E-------------------------------------------------------|
B-------------------------------------------------------|
F#-7--7--5--5--5--5--5--0--0--7--7--5--5--5--5--0--0----|
B-------------------------------------------------------|


Pre-Chorus
E-------------------------------------------------------|
B-------------------------------------------------------|
F#------------------------------------------------------|
B-2--3--0--5--0--2--3--5--0-----------------------------|

Chorus
E--------------------------------------------------------|
B--------------------------------------------------------|
F#-------------------------------------------------------|
B-10--0--2--5--------------------------------------------|

Bridge
E--------------------------------------------------------|
B--------------------------------------------------------|
F#-------------------------------------------------------|
B-2--0--1--3--2--0--1--3---------------------------------|


Out-Chorus
E--------------------------------------------------------|
B--------------------------------------------------------|
F#-------------------------------------------------------|
B-10--0--2--5--------------------------------------------|

Thanks for this tab out checking it out and Thank You Demon Hunter for your beautiful music.