Imagine that you have been singing all your life.  You’re not a professional, but you sing with the elementary school students in your fifth-grade class, you conduct a church choir, and you’re good.  You have a nice voice, you can sing in tune and finding the right pitch is never a problem.  Suddenly one day, everything changes.  You can no longer find the correct pitches for a familiar song.  You can hear them in your mind, and you can hear that you are singing not only out of tune, but hitting totally wrong notes – but you can’t fix it.  You’re bewildered about what’s happening, and panic sets in. Continue reading →