Hi,
Thanks for coming back to me. I tried this and it worked well for me. It queued the whole album I was playing, which I then set the renderer to my Roberts Stream 83i radiio.
There was a bit of lag between manual song switching, but that was most likely my network :-)
Playback moved naturally from one song to the next, and I was able to advance to a different point within a song.
Great work - short of the full implementation, this sorts out my issue - thank you!