Startup Idea : Music app for really involved listeners.

The website/app I would really like someone to build.I want to: - listen to and save music at FLAC uncompressed quality - see which musicians played on which tracks - have a chat forum on each track where i can post “hey does anyone know what the fuck effect / guitar he’s using on that?”- Be able to follow the particular musicians on each track and see what else they play on- have access to each track on the mix and be able to turn up and down instruments etc.I would pay quite a lot for a subscription to that!