Last year, from spring to summer, two organizations — the Nashville Songwriters Association International (NSAI) and the National Music Publishers Association (NMPA) — made their case to the Copyright Royalty Board that Spotify, Apple, Google, Amazon and Pandora weren't paying songwriters enough when people streamed their compositions, a process that NMPA head David Israelite likened to "war." Those compositions, which are legally discrete from the recordings of those songs, are covered by "mechanical" licenses, a term that's roughly 100 years old and originally referred to the punch-card c