Task: Explanation
Input (English): Alissa White-Gluz ( ; born July 31, 1985) is a Canadian vocalist, best known as lead vocalist of the Swedish melodic death metal band Arch Enemy, and former lead vocalist and founding member of the Canadian metal band The Agonist. Question:  Vicky Psarakis joined the Agonist after what original vocalist and co-founder born in 1985 was asked to leave Answer: Alissa White-Gluz
Output (English): Alissa WhiteGluz  ; born July 31, 1985 is a Canadian vocalist, best known as lead vocalist of the Swedish melodic death metal band Arch Enemy, and former lead vocalist and founding member of the Canadian metal band The Agonist.