|  
  
  
   | Micro Musician Midi Interface. Top is the board. 
        Below, the unit itself. Then front and rear views. | 
     
      |  | Music 5000 | 
     
      |  
  
   | Top. A Music 500. Middle, a Music 3000. Bottom, 
        a Music 4000 | 
     
      |  
  
   | Music 500 and box | 
     
      |  
  
  
   | Music 500. Thanks to Ken Hewson for these photos | 
     
      |  
  
   | Music 2000 Thanks to Ken Hewson for these photos | 
     
      |  | Echo 1 keyboard | 
    
      |  | Electromusic Research Beeb Midi. Thanks to the 
        ebay seller 'zeekies' for this photo |