So I pay $9.99 a month for ITunes- I go to listen to one of my fav albums I purchased a
With Apple Music @ $9.99 a month, you are not purchasing music. If removed from the catalog by the artist, you did not own it and have not lost a purchased item.
If you purchased the album from the separate service called iTunes at a fixed price for the album, check your iTunes purchase history and download it again if available.