Shazam - Shazam is a mobile app that recognizes music and TV around you.
TIDAL - Tidal is a streaming music service supported by some of the most influential artists working in the industry.
Musixmatch - - World’s Largest Lyrics catalog and official
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Midomi - midomi.com find and discover music and people.
Spotify - Map shows when two people play same song at same time