Shazam - Shazam is a mobile app that recognizes music and TV around you.
Cymbal - Music discovery powered by friends
Acclaimed Music - Acclaimed music is a top music recommendation tool that showcases the most popular song based on which is currently topping the Billboard charts and provides links to the latest music news.
humit - A social networking app for music sharing and discovery.
Spotify - Map shows when two people play same song at same time
discoverlocal.fm - Find and listen to artists performing near you this week 🎶