Soundytics intelligence allows musical catalogues to be indexed and new music to be discovered thanks to a system of highly-developed research, similarity and recommendation according to users’ taste and listening context. The PRELUDE API can be built into online music services and on hardware devices to offer a superior user experience. PRELUDE UI is a playlist interface with millions of loaded titles aimed at shops, as well as a tool for music publishers to offer professionals a service to find the ideal music for their clients.