downtempo

Short definition from Wiktionary

Noun

1. 1
   A genre of house music and ambient music with an ethereal sound and a driving beat.

Adjective

1. 1
   Having a slow tempo.
2. 2
   Having a slow, relaxed pace.

Adverb

1. 1
   At a slow tempo.
2. 2
   At a slow, relaxed pace.