Denver, CO, June 12, 2014 --(PR.com)-- A new survey of 1,010 US Consumers showed that customization of song lists, ease of use and mobility are the most important factors when it comes to showing brand loyalty for one of the major players in the growing streaming music industry.While Pandora, Inc. is the current leader in terms of longevity (launched January 2000); users (55 million) and revenue (