At the apex of New York’s first heatwave of the summer, hundreds of tapped-in alternative hip-hop heads in their teens and 20s descend on a barely ventilated indoor skatepark in East Williamsburg. Hosted by nobells, the event is a celebration of A Dog’s Chance, the irresistible debut collaborative album from POLO PERKS <3 <3 ❤️ (lilpolotee), FearDorian (feardorian), and AyooLii (brudderman_official1). By the time the trio take over, every last human in the building is drenched and keyed up, pushing and shoving in front of the triumvirate like a sugar-high amoeba. They open their set with the rambunctious, M.I.A.-flipping “PaperPlanesSoulja,” followed by the extremely silly, Israel Kamakawiw’ole-jacking “Rainbow,” sounding every bit as locked in as they do on tape. The collective energy of Polo, Lii, and Dorian during our interview — off the cuff, playful, humble to an extent but also constantly gassing each other up — mirrors their mind meld on A Dog’s Chance and their electric stage...