Amigo @@h1-vhs_storage123 友人、メキシコからの挨拶。うーん、53:35分に再生され55:30に終了する曲の名前は何ですか。 Yūjin, Mekishiko kara no aisatsu.U ̄ n, 53: 35-Bu ni saisei sa re 55: 30 Ni shūryō suru kyoku no namae wa nanidesu ka.
The name of the song is Moon River. (I apologize if this is not what you want to hear.) The following links are for your reference. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-uirBWk-qd9A.html
Non japanese speaker here, maan Maywa Denki is truly a character huh. Crazy to see him and his inventions back in the day. For those who don't know, he's the creator of the Otomatone.
彼の名前はHIROSHIです。 以下にサイトがあります。 www.sunmusic-gp.co.jp/talent/HIROSHI/ 古い動画ですが、RU-vidにもありました。 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-DVoN65iKV4o.html His name is Hiroshi. His website is as follows www.sunmusic-gp.co.jp/talent/HIROSHI/ This is an old video, but there is a video on RU-vid. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-DVoN65iKV4o.html
The group name is Sugiura phil-harmony orchestra. (The correct spelling in English seems to be Sugiura Philharmonic Orchestra.) This group also appears from 1:27:14 in the video.
I have tried to find it, but there is not much information available. I couldn't find it on RU-vid or subs, It looks like you can buy the CD from the following www.amazon.co.jp/dp/B000064QE1 www.oricon.co.jp/prof/224354/