I have used SongKong in the past (a few months ago), but when I try to use it now I get blank dialog boxes and unclickable buttons (in SongKong main window). I thought that perhaps this might be a Java issue, so I uninstalled and reinstalled Java via the Oracle webpage directions, but this didn't solve the issue. I have the same problem with Jaikoz. I've attached some screenshots. Any suggestions (I am on Mac 10.12.6).