Sentence:  Their cut-ups, sputtering drum machines, and shreds of harsh noise are the ugly mirrors of pop music's technological wonderland, while their lyrics literalize the horror of humans being treated as dead machines in pop-Marxist language and production styles that <WSD>robotize</WSD> the voice. 
Meaning of the word marked with <WSD> tags:  To give something (or someone) the characteristics of a robot.