Claim: Ayahi Takagaki, a Japanese actress, voice actress and singer, had a solo concert in 2012 titled Takagaki Ayahi 1st Concert Tour "Memoria×Melodia".
Evidence: Ayahi Takagaki (高垣 彩陽, Takagaki Ayahi, born October 25, 1985) is a Japanese actress, voice actress and singer. 2012 Takagaki Ayahi 1st Concert Tour "Memoria×Melodia" Solo Concert