DANIEL GLASS, 58
Founder/President, Glassnote Entertainment Group/Insieme Music Publishing
Last Year's Rank: 87
Glass preaches face-to-face communication and "old-fashioned relationships" to his troops. In 2015, his methods yielded crucial synchs with Apple for developing acts Holychild and Flo Morrissey. Glassnote's Childish Gambino was a digital powerhouse, with 396 million programmed and on-demand streams in 2015 without a new release, and Mumford & Sons' No. 1 Wilder Mind sold 532,000.