There are several artists using this name:
1) Loveless is a post-black metal/shoegaze project from Brazil.
2) Loveless is a synthpop-act from the cold country Sweden.
3) Loveless s a now defunct band from Boston, MA, that featured Dave Wanamaker (ex-Expanding Man) and former solo artist Jen Trynin. The band released a self-titled 5-song EP in 2002, and followed it with the album Gift to the World in 2003, before disbanding.
4) Loveless is also a Japanese band featuring 北出菜奈.
5) Loveless is also a House duo from Norway.
Loveless is also a Japanese animation series. The tracks from Loveless's soundtrack shouldn't be tagged with the artist "Loveless", but instead with Sasaji Masanori, the real composer of the soundtrack.