Aya's music career spans over 20 years, with numerous hit singles and albums to her name. Her most popular songs, such as "Kanashiikute Yarikirenai" and "Ai no Senaka," have topped the Japanese Enka charts and remain fan favorites to this day. Aya has also won several awards for her contributions to the Enka music industry, solidifying her position as one of the genre's leading artists.