Question: has demon slayer season 1 ended?
Answer: The anime television series adaptation by studio Ufotable was announced in Weekly Shōnen Jump on June 4, 2018. The series aired from April 6 to September 28, 2019, on Tokyo MX, GTV, GYT, BS11, and other channels. ... The ending theme for episode 19 is "Kamado Tanjirō no Uta" (竈門炭治郎のうた) by Go Shiina featuring Nami Nakagawa.