I am usually turned off by lyrics.

I would say I really enjoy the lyrics to about 5% of the music I hear.
why? because 95% of the time, it is some self absorbed rant about how unfair life is, or a string of cliches that ultimately leave you with some vague sense of longing for someone else.
I like lyrical content that is a narrative... like the monkey and the engineer by the grateful dead... otherwise it has to be comical or satirical like zappa.

but if it is first person... I could care less. The lyrics become landmines in a field.
I would say that the majority of the music i listen to is instrumental. I just find the difference to be like reading a book, and watching the movie of that book.
I detest the 3 chord strumming while you tell me about your lackluster libido and failures at love.

I like anything that sounds epic. I like it when music makes me imagine of far away lands and life threatening situations ranging from war to self destructive delerium.

I think the majority of people listen to music incorrectly. often, people tell me that aphex twin gives them anxiety, or mr bungle scares them like evil clowns or something.
but that is what art is... an abstract or tangible thing that evoke strong emotion through mere experience/perceiving.
that includes horror, disgust, anxiety, etc...

http://www.shroomery.org/forums/showflat.php/Cat/0/Number/5657720/page/0/fpart/2/vc/1

that is a very long thread about art appreciation, but I think it makes a good point.