Sweden-based Spotify said it will offer a free service with advertising and an ad-free 980 yen ($9.70)-per-month version with around 40 million song titles. […] Japan’s music market is estimated to be worth about $3 billion—second in the world after the $7 billion US market. – Agence France-Presse via Phys.org http://ift.tt/2d9dwSD