五つの赤い風船

Itsutsu no Akai Fūsen. Japanese folk group, formed in 1967. They split up in 1972, but reformed briefly in 1979 and again in 2000. The original members were Takashi Nishioka, Hideko Fujiwara, Junji Ariyama, and Isato Nakagawa. A revival band, including new members, released one album in 1975 under the name 五つの赤い風船'75. The English translation is "Five Red Balloons".