Between two bands This Century and Residual Kid, which band has been more active recently?
This Century:  In May 2015 the band announced that following the release of their next album (released June 2, 2015) they would be playing a final tour, retiring the band so members could "pursue each our passions and musical projects". Residual Kid:  They have released three EPs: "Box" in 2011, which was recorded with an earlier lineup, "Faces", featuring the current lineup, in 2012, and "Salsa" in 2016.
i don't know