SOUND HOLIC feat. 709sec. refers to releases by the doujin music circle SOUND HOLIC on which 709sec. produced all the arranges and most of the vocals.
There are four albums released under this artist name so far: Wind Gazer, Phantom Dreamer, Endless Seeker, and Scarlet Shooter. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.