And I was just about to go to bed last night when a thought struck me. So after a few minuted on Google I got a new, free, plugin for Winamp which doesn't affect it normally but then I can, at bed time, set it to play as much music as usual then click on "File/Shutdown PC when playlist finishes". So last night I put on some tunes, clicked "Shutdown after..." and went to bed. While I was falling asleep I could hear tunes then when I woke up s'morning I had to switch my PC on once more