All 34 songs of the "Gakuen Idolmaster" soundtrack are now available on various subscription services.

All 34 songs of the "Gakuen Idolmaster" soundtrack are now available on various subscription services.
 Bandai Namco Entertainment has released the original soundtrack of "Gakuen Idolmaster" on May 17 at 0:00 on various subscription services....

The linked article is in Japanese.