Song of The Little Smarter is the theme song of Ikkyū-san. It is an anime based on the historical Zen Buddhist monk Ikkyū that follows his mischievous adventures as a child during his stay at Ankoku Temple. In each episode, Ikkyū relies on his intelligence and wit to solve all types of problems, from distraught farmers to greedy merchants.
The anime was well received by all ages in Japan and throughout Asia, as it does not rely on violence. Even when violence appears, it is usually presented in a mild or necessary way (for example, there are occasional references to the Ōnin War). A running gag of Ikkyū-san is that whenever Ikkyū is trying to think of a plan, he sits in a lotus position, wets his two index fingers, and rotates them above his head.
Song of The Little Smarter rhythm was lively and upbeat and used rest, syncopation, dotted note in several places, which fully reflected Ikkyū's intelligence, vividness naughty, so it became one of children' favorite songs.
Meanwhile, for Song of The Little Smarter Stave is quite simple, so it is suitable for children to learn.