Jem Aswad Senior Music EditorAs expected, veteran agent Scott Clayton, who left his role as co-head of music at WME late last month, has joined UTA as co-head of its global music division and as a partner, the company announced Monday.Clayton and current UTA Global Music Co-Heads Sam Kirby Yoh and David Zedeck will together “create a powerhouse leadership trio spanning UTA’s New York, Los Angeles, and Nashville music hubs and further solidify the agency’s reach across all music genres,”