Casey has shared the lyrics for the latest song featured in RWBY V9's OST, Checkmate : r/RWBYcritics

Casey Lee Williams & Martin Gonzalez - RWBY, Vol. 9 (Music from the Rooster Teeth Series) Lyrics and Tracklist

Lyrics] Checkmate RWBY Volume 9 Soundtrack

RWBY VOL.9: Checkmate [feat. Casey Lee Williams, Martin Gonzalez] - [Thai subtitles]

Lyrics] The Edge RWBY Volume 9 Soundtrack

RWBY Volume 9 Soundtrack Reaction & Discussion - Checkmate

Stream Checkmate - RWBY Volume 9 Soundtrack Preview (Lyrics) by V.Ž.

I'm the One - Official Instrumental - RWBY

RWBY Music Q&A - Casey Lee Williams & Martin Gonzalez

The Edge (Music from Rwby, Vol. 9) - Casey Lee Williams & Martin Gonzalez : r/RWBY