The article linked below talks about Sony adding some of its older songs to eMusic. I was excited when I noticed the songs include songs from Billy Joel and the Boss. The problem is that eMusic changes a monthly fee to download a set number of files each month. I perfer to be charged per song, so I can download say 30-100 songs at one time. I normally go through phases where I acquire several albums at once, then spend the next month or two enjoying the music. Subscription sevices are not for me.
Here is the article if you wish to read more: