* https://www.youtube.com/watch?v=2htXigbGsqQ
The first jingles were by Hiroaki Ide:
* http://connect.ajet.net/2020/04/11/one-man-and-a-history-of-...
A profile on Minoru Mukaiya, who has composed a lot of the more recent ones:
* https://www.youtube.com/watch?v=nSG5IkRA9BE
* https://en.wikipedia.org/wiki/Minoru_Mukaiya