For example, the Beethoven phone contains this clue "He wrote Ode 2 Joy. During his composing career he went deaf." On the phone display is the number "233846836". The numbers correspond to the buttons on the phone. So "2" could represent the letters "a", "b" or "c".
The title sheet and instruction sheet is included in this kit as well as a Composer Phone Book which lists the correct answers. This kit contains a zipped folder of PDF files.