Opus13

I do not have sufficient information on an organization called Opus13 based on the provided name and lack of specific location. This name might refer to a musical ensemble, performance group, or venue, but without additional context or a specific location, it is not possible to accurately identify the organization or provide detailed information about its history or activities. It would be beneficial to have more information such as a specific country, city, or additional context regarding the organization's field or notable works.