- instrument is bass , guitar guitar , double bass , piano , keyboards    - death place is armutlu , turkey    - years active is ? -- 1996    - birth name is '' ` ohannes tunçboyacı '' '    - death date is january 14 , 1996 -lrb- aged 47 -rrb-    - genre is pop      - birth date is 1948      - background is non_vocal_instrumentalist    - birth place is istanbul , turkey    - occupation is composer , arranger    Given the details above, guess who could this information be about.
The answer to this question is:
onno tunç