A personal music mixing system with an embodiment providing beats and vocals configured using a web browser and musical compositions generated from said beats and vocals. Said embodiment provides a plurality of beats and vocals that a user may suitably mix to create a new musical composition and make such composition available for future playback by the user or by others. In some embodiments, the user advantageously may hear a sample musical composition having beats and vocals with particular user-configured parameter settings and may adjust said settings until the user deems the musical composition complete.