For a while now, Abel Tesfaye has been saying that he wants to stop releasing music as the Weeknd. Last year, however, he said that he might not be done with the Weeknd after all. And at a show in Rio de Janeiro on Sunday night, he offered some idea how a new Weeknd song might sound. The Weeknd played Rio de Janeiro's Estádio Olímpico Nilton Santos with the Brazilian star Anitta on Sunday night. They've worked together before, collaborating on " São Paulo ," a track from the Weeknd's 2025 album Hurry Up Tomorrow . Before they released that track, the Weeknd and Anitta teased it at a 2024 show in São Paulo. On Sunday night in Rio, the Weeknd and Anitta did something similar, teasing a new song that seems to be called "Rio" while performing in Rio. After the Weeknd and Anitta performed "São Paulo" together in Rio last night, their newest collab played over the stadium speakers.…