The developer showcast highlights apps that use one or more of Spotify’s methods to control the desktop app or retrieve information from their immense song database. Denied uses AppleScript to control the OS X desktop app and uses the database to check for songs that contain explicit lyrics.
Skips terrible music
Denied saves your ears from Nickelback or any other band, song or album. It sees what you're playing and automatically skips songs that you dislike.