Music producer Henry D. Pool is known for producing multi-faceted music, from solid beats centered on IDM, to psychedelic noise sounds that depict landscapes with floating synth sounds. The new single release "Halcyon". Together with the new single "Amber" released at the same time, this work, which was produced with the theme of the New Age in the present age, gradually changes to a calm sound that gradually calms down the sense sharpened by the vivid refrain of the intro. The climax provokes catharsis. 3DCG/graphic artist Chō, who worked on the artwork for "Neo Nagomu Gal - EP" (2021), also created the music video and artwork for this work. In the MV, a mysterious creature "Halcyon-chan" who is too cute runs around a world like Roger Dean's works. "Halcyon" was provided as film music for the documentary film "Film Fetish", directed by film director Yu Kaneko about the experimental filmmaker Junichi Okuyama. Along with "Eifeckx Tuyin" from "Neo Nagomu Gal - EP", four songs including unreleased songs are produced and provided by Henry D. Pool. In addition to the world premiere screening at the Rotterdam International Film Festival in the Netherlands, the film will have its Asian premiere screening at the JEONJU International Film Festival, which is known for screening cutting-edge Korean works.