But if you are referring to it as a title of an album, it should be:
"Download Selena's Ones (2002) as a rar file"
Or, in a more grammatically correct and formal tone: Download Selena Ones(2002) rar
"Download Selena - Ones (2002) rar"
The proper article would be:
Or:
"Download the rar file of Selena's Ones (2002)" But if you are referring to it as
"Download Selena - Ones (2002) (rar)"