Annotation
This artist has releases under two artists on Spotify: Against the Current and ATC. Their original works are under Against the Current, while their covers, which they released mainly in their early days, are under ATC. This should be represented by setting the credited artist to "ATC" for release groups where that abbreviation is used on Spotify. This has been discussed on the forum here, feel free to comment if you have additional thoughts on the subject
Discography
Showing official release groups for various artists (Show official release groups)