Walter Hewlett, Eleanor Selfridge-Field, David Huron, and Barry Vercoe provided the most important prior art and ongoing encouragement for the early development of the MusicXML format. Curtis Morley and the musicRAIN team made major contributions to the MusicXML 1.1 project. Geri Actor, Doill Jung, Graham Jones, Didier Guillion, Mark Maronde, Don Byrd, Christof Schardt, Donncha Ó Maidín, Bernd Jungmann, and the many members of the MusicXML mailing list have made great contributions to the MusicXML community over the past seven years.