This site uses HTTP streams,and
Replay Media Catcher works here.
You just need to add a new file type in plugin option to make RMC work here.
To do this, click Tools > Settings > Highlight Capture HTTP Media Streams > Plugin Options
Insert the following values
Type: audio
Subtype: mpeg;charset=UTF-8
Description: mpeg3
Default Ext: mp3
Check use and then click Update
You should now be able to download music from this site
Hope that helps