DAM, along with Joysound, is one of the main karaoke services in Japan. They celebrated their 30th anniversary, and unvelied their most sung acts these past 30 years, with Ayu ending up at #1!
Ayu left a message for this achievement:
"I was extremely surprised when I heard that my songs were the most sung in 30 years!
I am truly grateful that so many people have continued to love my various songs over the years.
I would be happy if ayumi hamasaki's music could continue to be close to everyone's side in the future."
(credits to AyuUpdates on Twitter)
The rest of the top ten:
2. Mr. Children
3. EXILE
4. Southern All Stars
5. GLAY
6. Hibari Misora
7. Saburō Kitajima
8. Koda Kumi
9. B'z
10. Hiroshi Itsuki
https://www.clubdam.com/ranking/2023/#ranking-section9