This master thesis focuses mainly on the concept of quality and how the librarians responsible for phonogram purchase use it. The main object is to investigate how the librarians responsible for the purchasing of phonogram works when in the process of selecting the phonograms and how they speak about the concept of quality. Based on this main object four problems has been addressed. The empirical material is interviews made with the seven librarians responsible for phonogram purchase at seven Swedish libraries. The result of this investigation is analyzed based on a theoretical framework created by Sanna Talja, which focuses on what a phonogram collection should contain. The result from this study shows that the quality concept effects the selection in several ways. The first way is that the recorded material should meet certain standards in form of professionalism of the recording and of the artist performance. The librarians often speak about the importance of having a complete collection that is more varied than the music played on radio and TV. In practice the librarians often use lists and reviews helping them in their selection. As regards librarians views of user needs the librarians in our study say that they want to satisfy their needs to a certain extent. But that it is also important to have a varying collection.