By James Soe Nyun Providing metadata for musical resources has special challenges not routinely encountered in other areas. Effectively communicating a musical resource’s characteristics may prove difficult or impossible when using descriptive tools designed for more general materials. For instance, how do we provide the rich web of information about composer, performer, title, duration, etc. that users require, and how do can we be sure that this information about a work remains attached to parts of it that might get separated? How do we best display and search existing metadata? How do we ensure that an item’s physical format is described properly? What information on a pop album is significant to record, and how should you format the metadata? These questions and many others have been grappled with in several metadata subcommunities. This web site presents some of their work in which they have developed possible answers to some of