"That place looks like it was built by a committee."
"A camel is a horse designed by a committee."
"This committee has decided we need to hire a consultant."
"If you want something done right, do it yourself."
While most composers tend to work alone, there seems to be a growing trend of composing consortiums. Orchestras regularly for consortiums to COMMISSION works, but to have a GROUP try to compose a piece of music seems about as likely as getting consensus at a political debate.