Sparky says he plays Chopin's minute waltz in 30 seconds, but he plays it in 50 seconds.
This is based on an audio story released by Capitol Records in 1948. Sparky was a little boy with an overactive imagination. There are five Sparky adventures, this is the second and most famous and it has been reissued several times.
In the Finnish version, Sparky is called Pekka.
Nancy Olson was the wife of the writer, Alan Livingston.