OP2 is out
https://www.youtube.com/watch?v=-V4zQpTOVJw

Is this the oldest OP song in anime?
>Noriko Hidaka: 63 years old
>Yūko Minaguchi: 59 years old
>Kikuko Inoue: 17 years old 60 years old
>Miki Itō: 62 years old
>Rei Sakuma: 60 years old