Ayaka celebrates turning 30 with a tour

Music video: Mariah Carey delivers the smoothest and classiest "GTFO" I've heard in my life

Perfume and Yasutaka Nakata spill room temperature green tea for Sound & Recording magazine

Kumi Koda and Ayumi Hamasaki meet up to play Janken on who gets the Avex budget

Album review: Hikaru Utada - Hatsukoi