News Band leave behind long-standing deal with BMI to join rival News Website traffic jumps 67%; MBW's email services now reach 30,000 subscribers News Popular exec joined Jon Platt's publisher in 2011 from EMI Analysis Why the music business's own video channel could be the key to helping Mark Zuckerberg News Singer/songwriters joins Green Day, Randy Newman and others on firm's books Interviews Music rights organization's CEO John Josephson talks licensing, Facebook and global ambitions News SESAC's 30,000 affiliates include songwriters and musicians such as Bob Dylan, Neil Diamond and RUSH News Exec covers Kanye West, streaming, SoundCloud and more in end of year missive