The program presents Sannex songwriters such as Greta Svensson and Hans Thorstensson.
Hans and Greta, in other words.
No further information about the songwriters is given.
That has confused Melodifestival fans all week.
According to Aftonbladet, it could be the Swedish star duo Smith & Thell, with millions of gigs on Spotify, that is behind the pseudonym.
But the band themselves do not claim to know.
- It would have been the coolest thing that could happen if that was the case, says keyboardist Patrich Rundström.
Watch the band speculate about the songwriters in the clip above.