Tidying up Radio Downloads

[RS]

>  Sent: Tuesday, August 29, 2017 17:18  I wrote

>or what the difference is between -id3v2_version=3 and -id3v2_version=4

I t seems the answer is that the default in ffmpeg is id3v2.4 but Windows 
(as of 5 years ago) only supports up to id3v2.3 so -id3v2_version=3 is 
needed if the tags are to display in Windows.
https://superuser.com/questions/453132/ffmpeg-metadata-not-showing-in-windows