Looking back at my time at NAMM, there were a couple products I encountered that really stuck out to me.  Item #1: M4000D series Mellotrons Literally the first booth that I stopped at on the main show floor was the Mellotron booth. The Mellotron is a quite old instrument. It is a tape based synthesizer, meaning that each key has a tape playhead that will begin to play the tape that is currently loaded in the instrument. The Mellotron is one of my favorite instruments of all t