I have forked Grip to a new project called MP3 Mesa. I was unable to contact the developer for Grip, and after some time decided to implement the changes necessary. I also include mirroring to any mounted mp3 player in so long as it can be mounted as a USB drive. Still very much like Grip, but with some improvements. I started with the Debian Grip release 3.3.1-15, which contained 15 patches that the Grip author had not responded too.
sorry last link was fubar