We've seen them since day zero, you knew you were part of the band ever since you heard them jam somewhere around campus in AUB, or in some cafe' in Hamra.. You've seen 'em battle themselves out of static, out of what was fashionable before they stepped into the circus, the underground.
Mashrou3Leila came in, with lyrical content and musical play that munched the womb of 'cool'. What was cool was not to be mainstream, to trash commercial and to remain under ground.
Leila would die underground, so the Mashrou3 was obvious, let's trash the carnival and call in everyone to play. That's what happened.