In what year was the album “O1” released by SawanoHiroyuki[nZk]?

In what year was the album “O1” released by SawanoHiroyuki[nZk]?: The album “O1” was released in 2015 by SawanoHiroyuki[nZk], featuring 14 tracks.
What is the most successful song from the album “O1” by SawanoHiroyuki[nZk]?: “aLIEz” is the biggest hit from the album “O1” by SawanoHiroyuki[nZk].

Other artists of Asiatic music