Cat Janice, a singer and songwriter who released a buoyant pop track from hospice that galvanized her thousands of supporters online to sway, and even groove, in the face of tragedy, died on Wednesday at her family home in Annandale, Va. She was 31. The singer and multi-instrumentalist, whose legal name was Catherine Ipsan, started writing music as a teenager and released it throughout her 20s. But “Dance You Outta My Head,” which she shared on social media alongside candid discussion of her grueling cancer treatments, quickly became the biggest hit of her career. Over disco-inflected guitar and exuberant strings, she sang about “dancing on the edge of disaster.”Ms. Ipsan released the song on Jan. 19, a few days after entering hospice care. The song caught fire as her health outlook darkened, with social media users — including celebrities like Jason Derulo — leaving messages of support.

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Persons: Janice, William Ipsan, Catherine Ipsan, Ms, Ipsan, Jason Derulo, Loren, “, ” Locations: Annandale , Va