British composer John Powell began his career in the advertising world writing music for commercials. Growing up in a musical family, you could say it was in his blood and it wasn’t long before he left the jingle world and headed to Los Angeles after being recruited by Hans Zimmer. While there, he worked on titles like The Prince of Egypt and The Road to El Dorado before being groomed for his first big solo outing: Face/Off. Talk about making an entrance. Powell came out swinging – to match the ballet of bullets and boat chases in the John Woo actioner – but he also gave the film lots of…