On October 11, 2018, the song "完璧なリラックスした禅" was released by 治療の音楽コレクションを癒し. With this song being around four minutes long, at 3:48, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track.