Comfortably numb- Pink Floyd Bass tabs 

Intro  play once
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|--2---2---2--2---2--------2---2---2--2---2-----------------------|
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Verse 
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|---2---2---2--2---2------0---0---0--0---0----------------------2---2---2--2---2----|
|-------------------------------------------------3--3--2--0--0---------------------|

Chorus 
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|---5---5---5--5---5-------------------------------------------------| x2
|--------------------------5---5---5--5---5--------------------------|

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|---3---3---3--3---3-------------------------------------------------| x2
|------------------------3---3---3--3---3----------------------------|

repeat chorus again

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|--5---5---5--5---5----3---3---------------5---5---5--------------|
|-----------------------------------3---3-----------------------------|
‘I’vvvvve       had become comfortably numb’ 

play chorus all again
paly verse once again
play chorus
play verse as outro over and over till end