Spotify - Map shows when two people play same song at same time
Giftwhale - Giftwhale allows you to create personalised wish lists online.
SoundCloud - Enjoy music & follow favourite artists
Wantt - Create & share wish lists for free
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
Swaver - Collect gift ideas for your loved ones and share your own wishlists. Add items from any online store. The perfect list maker for Christmas and other events!