Full-text scans of scores in the public domain, numerous contributors, over 20,000. Project also provides a clear and useful definition of public domain as defined in various countries as well as in the United States. After a hiatus from October 2007-Sept 2008 to resolve public domain interpretation, this project is again active. Use with caution. Wiki-style; lots of useful repertoire, scanning quality varies, some unconventional title or genre designations may appear.