This jingle comes from Japanese television advertising for 7-Eleven, the convenience store chain, where the phrase 'Ii Kibun' is used as a cheerful slogan meaning a good feeling. The bright tune was made to make the store feel welcoming and familiar, and it became closely linked with everyday shopping in Japan. As clips from Japanese commercials spread online, the sound was shared as a short audio meme and soundboard favourite. Creators still use it today because its warm, positive melody instantly signals happiness, comfort and a simple everyday pleasure.