I’ve uploaded it here:

The original came with a small songbook containing numeric keypad codes (e.g., 4 4 5 6 8* 8* ) and sometimes music notation for built-in demo tunes like Yankee Doodle , Jingle Bells , or Frère Jacques .

: It includes 10 preset rhythms (like Bossa Nova and Rock) and a memory function that stores melodies for automatic playback.