By operating push buttons on a telephone, the participant was able to make a game of creating musical tunes.
INTERACTIVE Channel
March 15–29, 1991
INTERACTIVE Channel
Outline
Date: March 15–29, 1991
Location: Inside the telephone network in Tokyo and Kanagawa, Chiba, Saitama, Ibaraki, Tochigi, Gumma and Yamanashi prefectures