<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Ekuqaliseni kwakhe eHamburg ngo-1889, wadlala uPiano Concerto No. 1 kaTchaikovsky ku-B flat minor nomqambi oqondisa.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Ekuqaliseni kwakhe eHamburg ngo-1889, wadlala i-Piano Concerto No. 1 kaTchaikovsky ku-B flat minor nomqambi oqondisa, le khonsathi yaba yimpumelelo enkulu futhi yanquma umsebenzi wakhe wokuqala njengomdlali wepiyano ekhonsathini eNtshonalanga Yurophu. 