Taylor Swift is among a handful of artists on the list of Billboard magazine's Power 100, a ranking of the most powerful and influential people in the music business. The list is dominated by music industry executives, but Swift landed at No. 78, behind Jay-Z and Beyoncé (as a power couple at No. 13), U2 (with manager Paul McGuiness at No. 27) and Jon Bon Jovi (No. 50). Lady Gaga is at No. 84 in the ranking determined by market share, revenue and Billboard music and box office data. Topping the list is Irving Azoff, who heads the nation's largest concert promotion company, ticketing company and artist management group as chairman of Live Nation Entertainment and chairman/CEO of Front Line Management Group. Artists affiliated with Front Line companies include the Eagles, Christina Aguilera, Neil Diamond, Van Halen, Journey and Fleetwood Mac. At No. 2 is Coran Capshaw, head of Red Light Management, Star Hill Presents and the ATO and TBD record labels. His management clients include Faith Hill, Tim McGraw, Dierks Bentley, Phish and the Dave Matthews Band, among others. The list also includes Viacom Music and Logo Group president Van Toffler (No. 35), Big Machine Label Group president Scott Borchetta (No. 54), Country Music Association CEO Steve Moore (No. 61), Capitol Nashville president/CEO Mike Dungan (No. 85) and Sony Music Nashville CEO Gary Overton. Clint Higham, president of the Nashville-based Morris Artists Management (part of Front Line Management), made the list at No. 68. Higham's management clients include Kenny Chesney, Martina McBride and Jake Owen.