Spotify - Map shows when two people play same song at same time

Jukely - Go to hundreds of concerts for one monthly fee 💃

Magic Playlist - Get the playlist of your dreams based on a song

Nightout - The standard in event ticketing and marketing by NIGHTOUT

Playlist Machinery - Tools that help you create & organize your Spotify playlists

Sporteventus for iOS - The worldwide search engine for sporting events and tickets