Here's why:
* Heavy rhythm section: The song features a prominent bassline and driving drums, characteristic of funk.
* Syncopated rhythms: The melody and lyrics are punctuated with syncopation, adding to the funky feel.
* Use of horn section: The song prominently features a brass section, which is common in funk music.
* Energetic and uplifting mood: The song has a high-energy and upbeat vibe, reflecting the typical spirit of funk.
While some might argue that it also has elements of soul and pop, the funk influences are undeniable, making it primarily a funk song.