Not sure if this is exactly what you're looking for, but I found CloudBeats pretty useful for syncing my phone's music with my library stored in Dropbox. You can ...

You can upload local music to Spotify by going through the desktop app, but you'll need to sync it with your phone to listen ...

SmartThings, Samsung’s platform for smart home ecosystems, offers multiple control and customization options for compatible devices. One of the most interesting is Music Sync, which works with Philips ...