One of the founding members of Key, OdiakeS, left Key before Key Sounds Label formed, but did contribute on the Kanon Original Soundtrack and the remixing of a song on Clannad's remix album -Memento-''.
A former founding member of Key, OdiakeS, left the company prior to its formation as Key Sounds Label, however, they did participate in the creation of the Kanon Original Soundtrack and remixed a track for Clannad's remix album -Memento-''.