That relationship looks like it could help, thanks for mentioning that.
I hadn’t thought about labeling them as compilation singles, but that’s probably the best solution to avoid putting them in the same release group but also differentiate between the two. Looking at the single definition it definitely fits this case despite Spotify labeling them as EPs or albums.
- In the US market, a single typically has one main song and possibly a handful of additional tracks or remixes of the main track; the single is usually named after its main song; the single is primarily released to get radio play and to promote release sales.
I’d say then that the final compilation of the tracks would qualify as an album since that would be the artist’s final intended arrangement of the tracks.