What do you do when you have finished a great week playing a show and you have nothing to do all evening? Well, what I did this evening was to play with one of my old toys from more than a half century back. I’m speaking of a little contraption called an Octavoice I Ampliphonic which was produced by King Vox many, many, many, many years ago. The model I have is for a Clarinet and due to the fact that the person (student) who sold it to me did not have a pickup for a trumpet, I had to…