KMFDM What Do You Know, Deutschland?; Cassette 1991 Wax Trax Records. Cassette has just been reviewed on a new cassette deck with clean heads. Sound quality is pristine. Some of the ink on the cassette is starting to wear off, make sure to take a look at the images! J-Card is in very good condition with casual signs of wear. Jewel case is as shown in the images.