What it had to solve
Spread the appeal of deep audio content across genres and accelerate podcast adoption in Japan — a market Spotify's creative director knew first-hand from producing the 2021 TV drama about podcasts, 'Omimi ni Aiwashitara.'
How it works
Two TV films — a commuter sinking into a mysterious swamp before a boy's eyes on a train, and the Kano sisters holding fabulously dressed court at a coin laundry while sinking chair and all — used real talk lifted straight from actual podcast programmes; the swamp's colour, light reflection, size, water thickness and texture were re-tested many times; simultaneous outdoor ads at Tokyo's major stations doubled as sampling, with peel-off bath salts labelled 'for your bath time'.
What it did
No metrics in the source; the campaign launched with TV commercials plus large-scale outdoor advertising at Tokyo's major stations.
Background
In February 2022, Spotify launched a Japanese campaign to popularise podcasts under the catchphrase '聴けば、沼。' — listen, and you're in the swamp. Creative director Shota Hatanaka, who came to the job after producing the summer 2021 TV drama 'Omimi ni Aiwashitara.' about podcasts, said Spotify carries more than 3 million programmes and wanted to communicate the appeal of deep audio content across genres.
The two films literalise getting hooked. In the 'Koten Radio Spotify Original' spot, a suited man grips his train strap with earphones in, sinking slowly downward with an ecstatic expression as a boy in front of him discovers the mysterious swamp forming at his feet. In 'The Kano Sisters' Fabulous World', a woman at a coin laundry notices a headphones-wearing woman sinking into her bench — and behind her, the famous Kano sisters in fabulous outfits, holding sisterly talk audible nowhere else. The audio in both ads was lifted straight from real podcast conversations.
Craft carried the metaphor: Hatanaka's team iterated repeatedly on the swamp's colour, light reflection, size, water-surface thickness and texture to land on a 'comfortable swamp' that feels like listening. Launching with the films, large-scale outdoor ads at Tokyo's major stations introduced more programmes — and offered peel-off bath salts reading 'for your bath time', turning podcast listening into the audio equivalent of a long soak.
Why it lands
'Numa' (swamp) is already the slang Japanese fans use for immersive obsession, so the metaphor arrived pre-loaded with the right meaning.
Using real podcast audio in the films proved the product's promise in the medium being sold — sound, not script.
The bath-salt OOH extended the metaphor into a takeaway object: podcast listening as luxurious, me-time soaking.
What you can take
Make the addiction the visual: a beautifully rendered 'swamp' says 'you can't stop listening' without a single feature claim.
Since then
The campaign ran on TV and in major Tokyo stations from February 2022, with production by dea, Hakuhodo, Hakuhodo Products, BABEL LABEL and THING MEDIA, and the Kano sisters among the cast.
FOLLOW THE EVIDENCE
The sources
- 叶姉妹も登場、「聴けば、沼。」をキャッチフレーズにSpotifyがポッドキャストのキャンペーン advertimes.com