Are Banks and KT Tunstall both singer-songwriters?
Banks (singer): Jillian Rose Banks (born June 16, 1988), known professionally by the mononym Banks (often stylized as BANKS), is an American singer and songwriter from Orange County, California. KT Tunstall: Kate Victoria Tunstall (born 23 June 1975), known by her stage name KT Tunstall, is a Scottish singer-songwriter and musician.
i don't know