“Sound Model: Collaborative Infrastructure for Digital Audio” (Sound Model) was designed to enable library and museum users to easily find and use primary resources in audio format in the context of other resources in the same disciplines. Most elements of the project can be adopted or adapted by other collaborative digitization programs. The Collaborative Digitization Program (CDP) agreed to provide access to at least 2,000 audio objects, plus related photographs, manuscripts and artifacts, through local and federated searching..