uptempo

As adjectives the difference between uptempo and upbeat

is that uptempo is having a fast tempo while upbeat is having a fast pace, tempo, or beat.

As an adverb uptempo

is with a fast tempo.

As a noun upbeat is

an unaccented beat at the start of a musical phrase.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective uptempo is

(music) having a fast tempo.

As an adverb uptempo is

(music) with a fast tempo.

Downtempo is a antonym of uptempo.

In lang=en terms the difference between uptempo and downtempo

is that uptempo is with a fast tempo while downtempo is having a slow tempo.