Apple Music Web App - Apple Music is now available to stream on the web
Spotify - Map shows when two people play same song at same time
Musish - A web client for Apple Music
Deezer - Deezer is a music streaming app created in France. It is available in 180 counties and gets 16 million users a month. 6 million of the users have paid subscriptions. Read more about Deezer.
Tempso - Finally a place for classical music online!
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