Singing toilets, equipped with a sound feature to mask embarrassing noises made during toilet use, are prevalent in public restrooms throughout Japan. They have gained immense popularity and help maintain privacy and reduce embarrassment when using public restrooms. Singing toilets play a range of sounds, from traditional Japanese music to nature sounds like bird chirping or flowing water, and some modern singing toilets even have the option to customize the sound according to personal preferences. However, they can be distracting and annoying for some users who prefer silence in the restroom. Despite this, singing toilets are an innovative invention that adds an element of fun to something as mundane as using the restroom.