It's possible you are thinking of:
* "Selena" (1997): This is a biographical film about the late singer Selena Quintanilla-Pérez. It was released on March 21, 1997.
* "Behind the Music" (TV series): This is a long-running documentary series that has featured episodes about various music artists. While it's possible there was an episode about Selena, the title "Behind Music - 1997 Selena 1-22" is not a standard naming convention for the show.
Could you please clarify what you're looking for? Perhaps you can provide more context or information about the release you're asking about.