Part three of this illuminating series exploring the music business from behind the scenes takes a look at PR, the unseen force behind all the biggest musical acts in the world. With unique revelations, unseen footage and unrivalled access, it tells the story of the rise of PR within the music industry through the eyes of the people who lived it. Highlights include the PR campaigns behind superstars Jimi Hendrix, Taylor Swift and David Bowie. Narrated by PR Alan Edwards.