From the mythology of Ouroboros, meaning something that is self-referring, self-reflexive, self-consuming; recursive.
The Ouroboros or Uroboros is an ancient symbol depicting a serpent or dragon eating its own tail and often symbolizes self-reflexivity or cyclicality, especially in the sense of something constantly re-creating itself, the eternal return, and other things such as the phoenix which operate in cycles that begin anew as soon as they end.
Did you know that there is a song that has an ouroboric reference to the album?
There is a word, but I think it's ugly and I hate it.
Metafiction: Also known as romantic irony in the context of Romantic works of literature, uses self-reference to draw attention to itself as a work of art.
Music related examples:
- "These Words", a song by Natasha Bedingfield ("These words are my own / From my heart flow").
- "You're So Vain", a song by Carly Simon ("You're so vain, I bet you think this song is about you").
- "Your Song", a song by Elton John ("My gift is my song and this one's for you / And you can tell everybody this is your song").
- "No Direction" by Bad Religion ("I don't believe in self-important folks who preach/No Bad Religion song can make your life complete").
- "An Elpee's Worth of Toons", a song by Todd Rundgren
- "The Worst Band in the World", a song by 10cc
- "Someone Else's Song", a song by Wilco ("I know it sounds like someone else's song from along time ago").
- "Cosmic", a song by Kylie Minogue, opening with the line "I wanted to write a song called 'Cosmic'".
- "Glass Onion" by The Beatles; this is a song from their 1968 self-titled album known colloquially as The White Album that contains allusions to previous works by the band.
In context of your question, you would say that it is metafictional.
Did you know that the name of the album is also in the lyrics of a song? It's metafictional.