Spotify - Map shows when two people play same song at same time
Glimpse - Discover trends before they're trending
SoundCloud - Enjoy music & follow favourite artists
Widget Web - Widget Web is a handy application that allows you to view the content of web pages in a widget on your iOS device’s home screen.
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
Pixel Widgets - Pixel Widgets is a feature-rich application that makes it easy for you to add custom retro widgets and select from pre-loaded widget design or create a custom one with more than 150 fonts and color themes at your disposal.