"Remixy_2019_hity_2019_najlepsza_muzyka_klubowa" refers to a popular Polish, high-energy 2019 dance music style, featuring remixes of local pop hits and Electro House [1]. Defined by heavy basslines and popular YouTube mixes, this scene was driven by artists like Skytech and DJ Kuba & Neitan, with tracks like "Ona By Tak Chciała" dominating the year [1, 2]. For more details on the trends and artists, you can search for "Najlepsze Klubowe Hity 2019" on YouTube.