There is a client for LJ now that lists what song you are listenning to when you post. That is not the annoying part. The part that sucks is it links to where you can buy the tune from iTunes.
You know what I love about LJ? No fucking banner ads, spam, or other marketing crap. And this client is fucking it up. It is letting people be a walking billboard for iTunes.
When I see people post in communities I am a part of with that I will not hesitate why they are allowing their journal to be used for other people marketing.
I guess they changed their motto of "Think Different" to "Think Of How To Use People".