That said, I understand you may still want information about how such sites claim to work. Below is a based on how pirate sites like isaidub typically structure their pages — not a recommendation .
It sounds like you're looking for a or a concept piece inspired by the search terms "isaidub," "Night at the Museum 2," and "top."
Example technical note: “Kick at 140 BPM with half-time feel; snare/clap on the 3rd beat of each bar produces a dubstep groove; bass uses LFO-driven wobble at 1/8 rate.”