Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
SpotiMy - Play/Pause and Next/Previous functions for Spotify directly on your Menu Bar!
Bowtie - Bowtie is a desktop accessory that allows you to see and control your music (iTunes, Spotify...
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
Owlead - Grow your Twitter with valuable followers, effortless
Covergloobus - This is a simple application to show the cover and the info of what is playing in your favorite...