The open music model is an economic and technological framework for the recording industry based on research conducted at the Massachusetts Institute of Technology. It predicts that the playback of prerecorded music will be regarded as a service rather than as individually sold products, and that the only system for the digital distribution of music that will be viable against piracy is a subscription-based system supporting file sharing and free of digital rights management. The research also indicated that US$9 per month for unlimited use would be the market clearing price at that time, but recommended $5 per month as the long-term optimal price.