CMAT is the performing name of Ciara Mary-Alice Thompson, an Irish singer-songwriter whose recordings and live shows are associated with pop and indie pop. She emerged as a solo artist in the early 2020s after earlier work in collaborative projects, and her songs are known for combining melodic pop writing with conversational, diaristic lyrics. Her recorded work has brought attention to her distinctive vocal style and personal subject matter, and she has toured regularly in Ireland, the UK, Europe, and the United States. Concert listings in 2026 place CMAT on the road across North America and Europe, indicating an active touring schedule. She is billed on event platforms alongside pop and alternative acts, reflecting how her music is often categorized for live bookings.