The Trilogy Vinyl is a compilation of three albums by Melvins, The Maggot, The Bootlicker, and The Crybaby, which were released one after another in a series, within a timespan of one year, with similar album covers. It was released exactly the same day that The Crybaby was released. The compilation lists that every song from all three albums is present, though it is not.
Read more about The Trilogy Vinyl: Supposed Track Listing, Actual Track Listing, Artwork Included