Don Pearce wrote:

I have a TomTom sat nav that appears as a drive on my PC, and has a
directory called MP3, in which I can put music files, but that is
obviously for the car only. It can't play lpcm or anything but mp3.

Over a few hundred tracks, you'll need *some* management software if not
iTunes. Show me an explorer folder of an MP3 device, and folder on a
hard drive and ask me to identify non-matched or duplicated (i.e.
non-replicated) files, and I'll run thaaaaaaaaat way ..... -

--
Adrian C