Circadian Rhythms has been played on NTS in shows including Aloha Got Soul Presents: Home Grown, featured first on 16 February 2021. Songs played include Big Island Surf Rap.

Circadian Rhythms is a name of at least two acts:

1) Future jazz outfit Circadian Rhythms was the brainchild of Charles Bullen, who used to be one-third of highly influential early 80s band This Heat.

Fueled by Charles Bullen's expertise in unusual production techniques and by his love for African music and reggae, the music of Circadian Rhythms is an open and intricate mixture of polyrhythms, keyboards and electronics, spiced up with live instruments such as guitars,…