dear Jimbuna, that is a wealth of information,thankyou
As a temp measure, I downloaded from elsewhere the same songs that I have bought from iTunes, but in mp3 or mp4 format ( I think). They appeared to convert to .ogg format without a problem, but they do not get played when I go through the gramophone choices ( yes, I did put them in the same folder). So... dunno. Have to work on it and follow your advice when I am feeling better ( chest infection, miserable).
Also, we are going down to Gosport sometime soon and I will get to see what it is like in a real submarine
