This thread amuses me. I'd previously commented that I couldn't possibly tick the "techno" box while it was lumped in with another genre that I absolutely detest, but it highlights how fragmented and diverse our musical tastes are, and illustrates that sometimes you can't just take a particular artist and put them in a box. Nor can you take something like "house" and give it a single category - is it deep house, tech house, acid house, happy house, hard house, disco house etc... Some people will hate it all and label it as "that awful rave music". I'm not a big fan of rock music, therefore I cannot easily distinguish between various sub genres (I think I like prog rock), but if I said to someone that I liked prog rock and they asked me to name a favourite act, I'd be lost!
Likewise with "classical" - I could say that I love classical music, but "classical" embraces everything from "namby-pamby-cherry-orchard music" (a term used by a rather brash trumpet-playing instructor that I once knew) through to the full-on stuff penned by the likes of Shostakovich. Bach's "Air on a G String" is far removed from the 1st movement of the Leningrad Symphony.
I couldn't tick five boxes. Well, perhaps I could, but I'd be ticking a different five boxes the next day depending on my mood!