... sound and nice even tough. 1, HG277 Hailun grand piano model is now used by many music universities. ... by Frank George Emerson from U.S.A.3, HG277 is a concert grand. Great powerful sound and nice even ... tough.4, HG277 is exported to Europe U.S.A Japan ... and other markets.5, HG277 Hailun grand piano is voiced in European ...