Demise
According to the Yahoo site, the software is no longer available for purchase, as it has been bought out by Rhapsody. All clients were switched during the middle part of 2008.
As of summer 2008, the Jukebox no longer streams online content. The Jukebox may still be used to manage purchased music and local music, but no longer connects to any online services. If one wants to continue streaming Yahoo! Music, they should proceed to music.yahoo.com and listen to "My Station" from the website.
Read more about this topic: Yahoo! Music Jukebox