Does OP or anyone know how it's built? I see there's a track popularity figure in the API [1] so maybe these songs have zero popularity. And then I can only as

Does OP or anyone know how it's built? I see there's a track popularity figure in the API [1] so maybe these songs have zero popularity. And then I can only assume they've crawled every track as the search API [2] doesn't support filtering by popularity. 1. https://developer.spotify.com/technologies/web-api/lookup/ https://developer.spotify.com/technologies/web-api/lookup/ 2. https://developer.spotify.com/technologies/web-api/search/ https://developer.spotify.com/technologies/web-api/search/