»While the other sounds remain dutifully seated, the little sound sets off on an exciting journey out into the world of sounds, …« Ulf K. created the character »the little tone« for the children's book by musician Bela Brauckmann and actress Loretta Stern. One day, the little tone gets bored with life on the staff and sets off on an adventure through the window. On his way he discovers very different sounds - from the rhythm of the construction site to the strings in the philharmonic orchestra.