Deletion of Rehab (Rihanna song)

Comment: to album.  There's only one source saying it's being released, and in only one territory.  Even if a release is confirmed, ss per #Songs, simply being released does not make a song notable enough to deserve its own page.  If it does become a notable single, then the redirect can easily be undone
Stance: merge
Cited policy: Wikipedia:Notability (WP:MUSIC)