body: Let's say I want to assess how comfortable a candidate is with casual conversation, and if he would fit into our business culture. If I ask a question like "What kind of music do you like?", is that legal? The question is definitely not relevant to essential job functions, but based on how he answers I can assess how well he would fit in our company culture.
  
  
  
title: Are all interview questions that don't apply to essential functions illegal?