Translation of chaser in Spanish

I would like to give you a proofreader's project. Proof reading sample sentences that were entered into the dictionary by our users. It is a very tough project and needs a lot of discipline and patience.
What kind of music do you like? I am a classical music and rock fan, but not a techno fan. I believe that strange combination of tastes say a lot about a person. I certainly want to take art as a major.
I have problems with adjectives, endings and articles. The grammar is so difficult. I am very happy to learn Spanish with you. What went wrong with the lessons? Thanks and best regards.