They used to be Germany's version of party metal. All is one of those early efforts that holds nearly every musical cliche that gave metal a bad name. The album is more easily classified as arena rock than it is heavy metal. The early works showed a band searching for a niche in the music world. It wasn't until later releases that they found that niche.
Every band has to start somewhere.
PC69 started as one of many hard rock bands trying to be more than they were. The fact that they are still around shows that they eventually found the mark. All is an important release in their history in that it serves to show how far they've come in a decade of existence. For You 2. Talk To The Moon 3.