All translations

1. This is a musician's marketing slogan and the phrase in quotation describes his music style.
2. The slogan compares musician's music style to a daydream.
3. "ancient" alludes to ancient eastern music influences in his music.
4. The music specific "art rock" term for each language could be found at http://en.wikipedia.org/wiki/Art_rock
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For Dutch dialect please use "Dutch"

The first two kanjis are a name, so there's no need to translate that.