For those of us who are sound designers or field recordists, we all have tons of recordings which may or may not be well labelled or traceable once they get copied on to a hard drive. Being able to search, find and understand what a recording contains is a major requirement when working professionally, as a badly organised or unlabelled library becomes a veritable haystack from which you are trying to extract a needle! UCS offers a method which means you can easily work through your own and other professional sound libaries. Here is a practical introduction and how-to guide on what it is and how you can use it.