Gabriel Adiv is a music lover. Like many music lovers who manage their digital music in iTunes, he once bemoaned how labor-intensive that could be. Unlike many music lovers, though, he decided to do something about it. Adiv, with his sidekick Raza Zaidi, founded San Francisco-based TuneUp Media in 2007, and a year later, their company introduced an iTunes plug-in by the same name.

TuneUp: An iTunes Librarian, Archivist and Concierge