Re: I listen to music the genre of which/ of which the genre/ whose genre is hard to
They are grammatically acceptable, with my correction of your typo, but they are all unnatural. We'd be far more likely to say something like, "It's hard to define/categorise precisely the type of music I listen to" or, "It's hard to place the music I listen to into any particular genre".
Originally Posted by wotcha
Please do not edit your question after it has received a response. Such editing can make the response hard for others to understand.