'Call of Duty: Modern Warfare' Is a Hit With $600 Million Debut, and So Is the Music

“Call of Duty: Modern Warfare” has landed in a big way — scoring more than $600 million in sales after three days on the market. Produced by Infinity Ward and published by Activision, the "soft reboot" of the first-person shooter game was accompanied by a soundtrack released a week earlier and scored by Sarah Schachner, […]