You may be right that Imeem is not dead as it was acquired by News Corp and it is actually merged into MySpace Music. Imeem team now have more resources to build more cutting-edge technologies on top of their innovations at Imeem. Unfortunately Imeem as a brand is dead and also nice embeddable Imeem Music Widgets are gone as well.
Imeem widgets are replaced as advertisement which tells users to create a playlist on MySpace Music as shown in the picture below.
F*** MYSPACE I HOPE OVER 150,000 PEOPLE START DELETEING THIER MYSPACE PROFILES STARTING THIS YEAR