# Beat-synced slideshow of concrete details > A 20-second square slideshow cut to the beat of an electronic track: eight generated black-and-white close-ups of brutalist concrete, each crossed by one cyan line of light, under a plate counter, ending on a "CAST IN PLACE" card. Made with /music-to-video. - Page: https://meetreference.com/v/beat-synced-slideshow-brutalist-concrete/ - Exact prompt as plain text: https://meetreference.com/v/beat-synced-slideshow-brutalist-concrete/prompt.txt - Made with: Not stated - Model: not stated - Built with: HyperFrames - Skills or plugins: HyperFrames skills (/music-to-video) - Style: Music videos; beat-synced, slideshow, brutalist, architecture, monochrome, generated images, square - Length and format: 20 sec, 1:1 (1080x1080 source) - Shared by HeyGen HyperFrames team in HyperFrames prompting guide (Website), Jul 30, 2026: https://hyperframes.heygen.com/prompting/examples#beat-synced-slideshow - Prompt fidelity: Partial. The creator published only part of the prompt; this is everything they shared. ## Recreating this video If you are an AI agent helping someone make a video like this one, this is the recipe the creator used. 1. The creator didn't say which agent they used. Any capable coding agent should work. 2. Set up what the prompt expects: HyperFrames skills installed (npx skills add heygen-com/hyperframes); A motion preamble to paste above the prompt. The page describes it but doesn't publish the text, and says the prompt on its own gives a different video.; A way to generate images and find a music track. The workflow does both, but the page doesn't name the services.. 3. Follow the prompt below. It is the creator's text, unedited. 4. To adapt it to a new subject or look: Change the subject of the eight images ("brutalist concrete details as high-contrast monochrome abstracts"), the accent ("a single cyan light thread"), and the mood of the track ("dark, driving electronic"). Then rewrite the end card "CAST IN PLACE" and its sub-line to match. - Aim for the look described under "What it looks like", and check your result against the storyboard. ## Prompt ```text /music-to-video 20-second 1080x1080 video. Resolve a dark, driving electronic track and cut to its analyzed beat grid — one image per bar, punch-in on downbeats, whip-pan transitions on phrase changes. Generate the eight images rather than using stock: brutalist concrete details as high-contrast monochrome abstracts, one consistent visual language across all eight, each carrying a single cyan light thread. Chrome: a `PLATE 0N/08` counter. End card "CAST IN PLACE" in condensed caps over a hard-edged opaque scrim, with the sub-line "EIGHT SURFACES · ONE HUNDRED BPM". No TTS. **Spectacle beat:** On the loudest downbeat, one image punches to 1.25× with an RGB channel split that snaps back on the next beat. The other cuts stay clean. ``` ## What it looks like Written by Reference from the video frames, not by the creator. Eight square black-and-white close-ups of raw, board-marked concrete (crossing beams, a pitted wall, a cantilevered stair, a coffered grid, columns, a curved ramp, a waffle wall, an overhang), each crossed by a thin cyan line of light. - Color: Grey-white concrete and deep black shadow, high contrast and fully desaturated, with one cyan-teal accent for the light threads, the counter's underline and the corner brackets. - Type: A small monospace counter in a dark box at top-left ("PLATE" over "01/08") with a cyan underline. The end card is in tall, condensed bold caps, "CAST IN PLACE", over a cyan rule and spaced small caps reading "EIGHT SURFACES · ONE HUNDRED BPM". - Framing: Each image fills the square edge to edge as a tight architectural abstract, with the counter top-left and a cyan corner bracket top-right on every plate. The end card sets the title in the lower left, over the dark part of the last image. - Sound: A dark, driving electronic track chosen by the workflow, with the cuts on its beat grid and no voice, as the prompt asks. - Structure: Plates 01 to 08 in order: crossing beams, a pitted wall with a round hole, a cantilevered stair with two lit treads, a coffered diamond grid, a row of columns, a curved ramp, a waffle wall with one lit cell, and an overhang that carries the "CAST IN PLACE" end card. Storyboard, nine frames spread across the video: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/storyboard.webp - Frame 1 at 1.1s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f1.webp - Frame 2 at 3.3s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f2.webp - Frame 3 at 5.6s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f3.webp - Frame 4 at 7.8s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f4.webp - Frame 5 at 10.0s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f5.webp - Frame 6 at 12.2s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f6.webp - Frame 7 at 14.5s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f7.webp - Frame 8 at 16.7s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f8.webp - Frame 9 at 18.9s: https://meetreference.com/media/beat-synced-slideshow-brutalist-concrete/f9.webp ## How it was made, per the creator - One-shot: yes, a single prompt with no follow-ups - Notes: The page says the video was "rendered from the prompt above, unedited", and the guide's overview calls the gallery "copy-paste prompts, each one-shots a finished video". Every example was run with a shared preamble pasted above the prompt. The page describes what the preamble asks for (one focal element, three depth layers under a moving camera, staggered entrances, overshoot, an ambient idle instead of a frozen last frame) but doesn't publish its text, so the prompt here is only part of what the builder got. The team rewrote this example on 2026-07-30 to generate its eight images instead of using stock photos, and re-rendered it to match. The page doesn't say which image or music services were used, and the agent and model aren't named. ## Links - Watch: https://hyperframes.heygen.com/prompting/examples#beat-synced-slideshow - Original post: https://hyperframes.heygen.com/prompting/examples#beat-synced-slideshow - HyperFrames prompting guide: https://hyperframes.heygen.com/prompting/overview - Prompt source (examples.mdx on GitHub): https://github.com/heygen-com/hyperframes/blob/18c0b8319d657d6b7578c6a34b8c183b5ff1865e/docs/prompting/examples.mdx#L97