Variety Staff Follow Us on TwitterConcord Music Publishing announced that it has acquired the catalog of Imagine Dragons.The Grammy-winning Las Vegas-based act is one of the most successful rock bands of the past decade, with hits like “Radioactive,” “Demons,” “Believer,” “Thunder” and “Whatever It Takes” from albums band made their mark with their global smash hits from their album “Night Visions,” “Smoke + Mirrors,” “Evolve” and “Origins.”They have sold 35 million RIAA certified singles in