AO-SORA Instrumental Hybrid Instrumental Unit. AO-SORA Instrumental’s tracks 慟哭の雨 Rain of lamentation by AO-SORA Instrumental published on 2014-05-12T18:03:00Z 華火 HANABI by AO-SORA Instrumental published on 2014-05-12T17:47:59Z 碧空 ao-sora(azure sky) by AO-SORA Instrumental published on 2014-05-12T17:44:02Z Lonely Sunset by AO-SORA Instrumental published on 2014-05-12T17:40:48Z