Digital Hustle is a new eBook series by Carl "BFM" Jones of Chi-Bangerz.com which illustrates step-by-step instructional strategies for artists to get their music posted on blogs. It's a great resource for any artist looking to up their online-promo game.
Main feature of the book is a large directory of music blogs which includes an email contact list. It also has commentary from various blog owners talking about "Do's & Don't's" of music submission.
Digital Hustle is a great resource for Artists to further familiarize themselves with efficient ways for pushing their music online.