Which musical style is characterized by a short repetitive melody that is easy to sing with?

The musical style characterized by a short, repetitive melody that is easy to sing along with is known as "hook" or "catchy pop." This style often features memorable phrases and simple, relatable lyrics, making it accessible to a wide audience. It’s commonly found in mainstream Pop Music, where the goal is to create songs that stick in listeners' minds. Such hooks are essential for creating engaging and commercially successful tracks.