Conversation so far:
When did Daron Malakian become a part of Scars on Broadway?
In 2003, Daron Malakian.
How many people were a part of the group?
Scars on Broadway - a band which would include System of a Down bassist, Shavo Odadjian, and himself.
what were some of their songs?
The group released an eponymous album in 2008, which featured the hit single "They Say" (written by Malakian).
Are there any other interesting aspects about this article?
Malakian cancelled all scheduled concert and TV appearances, blaming a lack of enthusiasm and that his "heart wasn't into touring..
How long was he with the band?
CANNOTANSWER.
Did they do any touring?
In August 2009, Scars on Broadway, minus Malakian, traveled to Iraq for a USO tour across the U.S.
army bases.

Question: Did they do any other tours?
Self-contained rewrite: Besides a USO tour across the U.S. army bases in Iraq, Did Scars On Broadway do any other tours?