While at Wesleyan, Nonesuch Explorer Series recorded his "A Bell Ringing In The Empty Sky" LP,[3] an influential first recording of shakuhachi in the US. NASA included one honkyoku from that LP, "Tsuru No Sugomori," (Nesting of Cranes) on the Voyager Golden Record which was sent into space. In 1992, the Japanese government designated Yamaguchi a Living National Treasure (Ningen Kokuhô).