I don't think she would have to assert her fifth amendment rights on this one. The attorneys asking for them are going to have to show exactly why they want them released. I'm not a lawyer, but I really don't understand the basis for asking for them. I mean, I'm ok that they did because
I'm sure it pizzed KC off! 
I'm just not sure they have a real standing to obtain access to these unknown recordings when they have filed for defamation during the criminal case. Unless, they have been told by someone that she mentions ZFG in the recordings! Oooooh! That's a thought! Lol! Anything to chap KC's hide!