"Dango 3 Kyodai" (だんご3兄弟, Dango San Kyōdai, "Three Dango Brothers") is a Japanese song released on March 3, 1999. The song caused a social phenomenon in Japan.^[1] On the Japanese Oricon weekly single charts, it debuted at the number-one position with the sales of over one million copies.^[2] It was considered that the song might surpass the record of "Oyoge! Taiyaki-kun".^[3] However, it spent at the top position for only three consecutive weeks. In fact, this song proved that "Oyoge! Taiyaki-kun" had been extraordinary.^[4] According to the Oricon, it sold over 2.91 million copies, becoming the third best-selling single in Japan at that time.^[5] However, Southern All Stars's "Tsunami" surpassed the record in 2005.^[6]

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• List of best-selling singles in Japan