You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
Yea You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
Paint a number on my head work me until I'm dead
I can't believe I've wasted all of these years I've tasted
One million days and nights and all pain and struggle
All for what I ask all the hate and trouble
You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
Punch drunk from the punch clock opportunity never gonna knock
No more 'cause there's no blue collar all the unions gettin´ smaller
One million nights and all the pain and struggle
All for what I ask all the hate and trouble
You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
Yea You don't know my name, man you don't know my name
You don't know my name, man you don't know my name.
You don't know my name, man you don't know my name
Yea You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
I can't believe I've wasted all of these years I've tasted
All for what I ask all the hate and trouble
You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
No more 'cause there's no blue collar all the unions gettin´ smaller
All for what I ask all the hate and trouble
You don't know my name, man you don't know my name
You don't know my name, man you don't know my name
You don't know my name, man you don't know my name.

It kinda sounds like its about impersonalization at work, or something like that.

its about working hard all your life and not getting any credit for it duh