Social media is key to successful promotion for both albums and concerts. Musicians who know how to engage their fans with today's technology stand the best chance of becoming tomorrow's chart-toppers.
Music Think Tank recently posted an article with some great tips on using social media to push your music promotion to the next level!
http://www.musicthinktank.com/blog/how-smart-musicians-are-selling-more-albums-with-social-medi.html