Here's why:
* Vocal Range: He demonstrates a comfortable range spanning from a low E to a high C.
* Timbre: Bautista possesses a bright, clear, and lyrical tone often associated with tenors.
* Singing Style: His vocal style showcases a smooth, effortless delivery and a focus on melodic phrasing, which are common characteristics of tenors.
However, it's important to remember that vocal classification is not an exact science, and there are nuances within each voice type.
Ultimately, it is best to listen to his music and judge for yourself. You can find various recordings of his performances online to form your own opinion on his voice type.