Systems and methods for creating, modifying, interacting with and playing music are provided, particularly systems and methods employing a top-down process, where the user is provided with a musical composition that may be modified and interacted with and played and/or stored (for later play). The system...http://www.google.es/patents/US7928310?utm_source=gb-gplus-sharePatente US7928310 - Systems and methods for portable audio synthesis
