N'oge mbụ ọ nọ na Hamburg n' afọ 1889, ọ kụrụ egwú mbụ nke Tchaikovsky kpọrọ Piano Concerto No. 1 na B flat minor, bụ́ nke onye dere egwú ahụ duziri.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Na mbido ya na Hamburg na 1889, ọ kụrụ Tchaikovsky's Piano Concerto No. 1 na B flat obere na onye na-ede egwú na-eduzi, egwu a bụ nnukwu ihe ịga nke ọma na mkpebi maka mmalite ọrụ ya dị ka onye na-egwu piano na egwu egwu na Western Europe. "