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“S1B” upright piano

1953

Nippon Gakki Co., Ltd. (Yamaha Corporation)

GK won the appointed design competition of the Yamaha up right piano. The piano was actually marketed and became GK’s monument to set sail into the society.
It became an epoch making design then that the square and black piano was changed to woody and soft finished one.
(Source:GK Design 50years 1952-2002)