You're explaining because people know DJ to mean radio or in person, and neither are practical in context, so everyone is confused on how it’s relevant. People who use streaming service algorithms probably aren’t looking to go to a bar or event every time they want a recommendation.

Not to mention that bars and stuff with music usually cater towards upbeat music. If you’re sure these niche DJs exist, why not name some, or at least provide vague instructions on locating one? It would be a lot more useful to provide actionable advice to people looking for recommendations based on their taste