I think that the reason is as easy as f**k. I don't have money and will to stay at hotels because it is expensive and moreover you will never examine new place well without communication with locals. Couchsurfing is the easiest way to find local people who wants to share culture features.

I love all kinds of music especially rap and electronic music. The most preferred for house music is Lane 8 and for rap music - Russian artists Jah Khalib and Mot. As for movies I like comedies based on real stories. The most preferred is "Catch me if you can"