ALBUM
Kassy (케이시)
2020
Lyrics for this song have yet to be released
똑똑 (TOCK TOCK) [Instrumental] was written by Jo Young Soo (조영수).
똑똑 (TOCK TOCK) [Instrumental] was produced by Jo Young Soo (조영수).
Kassy (케이시) released 똑똑 (TOCK TOCK) [Instrumental] on Thu Jul 02 2020.