Koorogi '73

This article is about a singing group in the Super Sentai series.

Koorogi '73 (こおろぎ'73, Kōrogi Nanajū-san) were a Japanese backing vocals group best known for their contributions to Toei's Super Sentai series. Established in 1972, the group's lineup changed during their active period. The group was disbanded after 1990.

Members

• Masatake Ookura (大倉 正丈, Ōkura Masatake)
• Hiroki Ueno (上野 博樹, Ueno Hiroki)
• Takafumi Tsushima (津島 隆文, Tsushima Takafumi)
• Masanori Sato (さと まさのり, Sato Masanori)
• Tatsuya Kishi (岸 龍也, Kishi Tatsuya)
• Riyuki Makino (まきの りゆき, Makino Riyuki)

Years	1st tenor	2nd tenor	Baritone	Bass
1972–1973	Masanori Sato	Riyuki Makino	Takafumi Tsushima	Tatsuya Kishi
1973–1977		Masatake Ookura
1977–1982			Hiroki Ueno	Takafumi Tsushima
1983–1990	Masatake Ookura	Hiroki Ueno