<p>“Drummer seeks musicians to form band.” That sign hung up on the wall of a high school in Dublin in 1978. It changed the course of music history. This is the origin story of the rock band U2.</p> <p>Any chance you could summarise your ambitions so astutely? So perfectly that your Bono could get in touch? So boldly that someone could find what they're looking for?</p> <p>Make that your new social media bio.</p>