The Portuguese Early Music Database allows free and universal access to a large number of manuscripts with musical notation written before c. 1650 preserved in many different libraries and archives in Portugal and surrounding Spanish locations. Every manuscript is given in full-colour reproduction and entered with a general description. Fragments are indexed in full. Selected codices with monophonic or polyphonic music are also fully indexed. There are many search capabilities that are immediately available to the visitor. A PEM account is required in order to zoom in on the digital images in high resolution.