Arcus has been played on NTS in shows including Anu, featured first on 19 May 2021. Songs played include Don't Let The Sun Catch You Crying.

There is more than one group with this name:

http://www.arcusband.com/ Pop-rock band from Ljubljana, Slovenia. The sound is influenced by many music ganres but they still maintain their own fusion of rock, pop and other styles.

or

http://www.arcusmusic.cz Arcus was founded in 1997 as a primarily Renaissance music group. Later Arcus moved onto Gothic music which mandated their choice of instrument. Currently the group is going through next evolution, new songs and ballads are more and more modern but still with the medieval…