Spotify may not have Empire original soundtrack season 2 volume 2 for the following reasons,
1. The artist/s have decided not to put the album on Spotify for what ever reason.
2. Columbia Records has not allowed the album to go on Spotify for whatever reason.
3.The album is still being processed in the Spotify database.
4. Some other reason.
If i find out anything else on this subject I will get back to you.
If you find this info useless, im sorry but this is all i could find.
What listening region are you in with the Spotify service? I did a key word search and also a region lookup to see which Spotify listening regions that release is available in which is these regions currently: AD AT AU CA CH DE FR GB IE IT JP LI MC MT MY NZ SE US