I like trance, SOME house, SOME jungle...and most of the other types of electronica I consider pure CRAP.
The most essential part of music, IMO, is beauty. Otherwise it's just noise. Trance is beautiful because it has a melody, some harmony, some rhythm, symmetry, repetition AND variation...all in glorious harmony. HHC fails in all of these categories - yeah there is usually a melody, but the unnatural rhythm and lack of variation, as well as the ridiculous combination of dissonant sounds and elements, totally destroy any attempt at beauty. Drum and Bass fails because it doesn't have enough melody...ambient fails becuase there isn't enough rhythm/bass... much of jungle fails because of too little melody/harmony, too much dissonance, too much bass/rhythm....you get the picture.
Let me go on. I actually LIKE Alice Deejay, ATB, oakenfold, PVD etc. I have a revelation for you - JUST BECAUSE SOMETHING IS POPULAR AND HAS BECOME MAINSTREAM DOESN'T MEAN IT IS BAD. Have you ever considered the possibility that maybe there is a REASON these musicians are popular, and that trance is so beloved by so many? Of course lots of people like it - it's good stuff, and it has a LOT of beauty.
All of you who are D&B, hard and grating Jungle, and HHC fans need to get over your angst. Do you really think you are so much "cooler" than everyone else because you listen to music that sounds horrible? Your idols (losers who will never get anywhere in life, and have totally destroyed their brains through irresponsible drug use) probably tell you, in the vaguest of terms, that their music is "deep, dark, and heavy" or "complex" - but really, this translates into "noisy, dissonant crap that will make you deaf and kill your brain cells". I suggest you give a try listening to some music that is actually PLEASANT to listen to. You might like it, and maybe you'll feel the world is not so terrible after all - it was only the music you were listening to that was terrible.
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"I could not/Speak, and my eyes failed, I was neither/Living nor dead, and I knew nothing" - T.S. Eliot, The Wasteland