Conversation so far:
Where was Malakian from?
ethnic Armenian immigrants originally from Iraq.
What year did they immigrate to the US?
on July 18, 1975, in Hollywood.
Who were Malakian's parents?
child to Vartan and Zepur Malakian.
Did he have any siblings?
CANNOTANSWER.
Where did he go to school?
Daron went to Rose and Alex Pilibos Armenian School in the Los Feliz side of Hollywood, which his future bandmates Shavo Odadjian and Ontronik "Andy" Khachaturian.
Did he play any instruments in school?
was playing keyboard for.
Was he married?
CANNOTANSWER.
What is the most fascinating life that happened in his life?
Malakian co-produced System of a Down's albums with Rick Rubin, as well as albums by The Ambulance and Bad Acid.

Question: Who else did he collaborate with?
Self-contained rewrite: Besides Rick Rubin, who else did Daron Malakian collaborate with?