From the peak period of Japanese high quality electronics production I guess.

お疲れ様でした!

Yes, it was.

I wonder to what kind of chicken you are comparing it though considering you mention fried chicken. Some minced chicken mixed with condiments? I can believe that. A high quality well roasted chicken with no condiments needed? I have doubts the substitutes are there.

For reference, the Japanese equivalent to the ice cream truck blasting music to attract kids is the roasted sweet potato truck singing “yaki imo” which literally means “roasted potato”. https://m.youtube.com/watch?v=Y0_IwZxOfdk&pp=ygUOWWFraSBpbW8gdHJ1Y2s%3D
This one must have been some really heavy metal style.

Yaki imoooooo