Former BBC executive Paul Campbell launched a new company in the United Kingdom in 2007, looking for ways to help musicians find a wider audience for their work. He established a website allowing select unsigned acts to upload their music, sell it - and keep the proceeds. Two years later, Campbell founded a radio station using a playlist built exclusively from the offerings on his site. He further developed his audience by adding a few shows carefully curated by a mix of ex-BBC and up-and-coming DJs. The result: Amazing Media, a powerful promotional machine that has become one of the A&R community's most crucial tools for developing new talent and has helped propel the likes of Chvrches, Daughter and Alt-J to deals with major or independent labels. Now, five years later, Campbell is launching in the United States. He has raised $9 million in funding with backing from investors including Sting, AOL founder Steve Case, producer Billy Mann, music lawyer John Frankenheimer and former EMI CEO Elio Leoni-Sceti. They're joining a board to be run by former Shazam chairman John Pearson...