Thinking about Frank Zappa. I don't think anyone would say his music is "easy listening". It takes a bit of work. But the rewards are worth it :-)

Thinking about Frank Zappa.  I don't think anyone would say his music is "easy listening".  It takes a bit of work.  But the rewards are worth it :-)  
http://www.youtube.com/watch?v=rOeCjZHzGOI