Eleanor Selfridge-Field, Walter Hewlett, Barry Vercoe, and David Huron provided the most important prior art and ongoing encouragement for the early development of MusicXML. Curtis Morley and the musicRAIN team made major contributions to the MusicXML 1.1 project. Geri Actor, Graham Jones, Doill Jung, Don Byrd, Craig Stuart Sapp, Jane Singer, and the many members of the MusicXML mailing list have made great contributions to the MusicXML community over the past six years.