I somehow love this tune, it's kind of a soothing ballad called 夕焼け小焼け (Yuuyake Koyake, lit. Sunset Small Burnt(?)), which takes me to the past, to Ghibli movies, Pokémon games, and some other nostalgic feelings.
Have a listen below to get what I mean!
There are other melodies, depending on the area! Listen below!