Spotify - Map shows when two people play same song at same time
Magical Jelly Bean Keyfinder - The Magical Jelly Bean Keyfinder is a freeware utility that retrieves your Product Key (cd key) used to install windows from your registry. It also has a community- updated configuration file that retrieves product keys for many other applications.
SoundCloud - Enjoy music & follow favourite artists
Recover Keys - Recover Keys is product keyfinder program which can recover lost product keys for Windows 8, 7, 10, Office, Exchange, Adobe Photoshop and many-many more.
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
ProduKey - Recover lost product key (CD-Key) of Microsoft Office 2003, Office 2007, Windows XP, Windows Server 2003/2008, Windows 7, and more.