If adopted, these proposals will impact record labels, music publishers, producers, royalty collection groups, terrestrial and satellite radio, and music streaming services. In a 245-page report issued on Thursday, the U.S. Copyright Office is throwing its weight behind what would be the most radical changes to how music is licensed in nearly a half century. Many of the copyright laws governing music were first erected at the time that player pianos became popular and have developed through the advent of radio, new recording devices and, most recently, digital networks. Maria Pallante, director of the Copyright Office, believes the law is...