Annie Music - The easiest way to share good music
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
SOUNDS - Discover music with friends
Morse - Create, shout out, and discover nearby events in real time
Spotify - Map shows when two people play same song at same time
Upcoming.org - A simple way to share and discover interesting events