A split single by Okinawa's most popular chorus groups. The A-side features master “Urumajima” which was first written for the Hoptones by legendary composer Tsuneo Fukuhara. "Uru” means coral sand and is a well-known song about Okinawa. The B-side features “Miyako Shiki Ondo” another song composed by Tsuneo Fukuhara and sung by the Four Sisters about the four seasons.