Question: - instrument is computer , laptop , synthesizer , tracker , sequencer    - website is -lsb- http://www.esem.name]    - years active is 1997 & mdash ; present    - birth name is georgi hristov marinov    - origin is varna , bulgaria    - genre is idm , ambient , downtempo , tracker-music      - alias is esem , eesn    - birth date is 10 february 1979      - background is non_vocal_instrumentalist    - label is defocus , merck records    - occupation is music , field recording , sound design    Given the details above, guess who could this information be about.
Answer:
esem