He was the younger brother of Anton Rubinstein and a close friend of Pyotr Ilyich Tchaikovsky.
He was the younger brother of Anton Rubinstein and a close friend of Pyotr Ilyich Tchaikovsky.He was a great friend of Tchaikovsky and encouraged him much more than his brother Anton had done.
He was the younger brother of Anton Rubinstein and a close friend of Pyotr Ilyich Tchaikovsky.He was a great friend of Tchaikovsky and encouraged him much more than his brother Anton had done.
使用更简单的措辞: He was the younger brother of Anton Rubinstein and a close friend of Pyotr Ilyich Tchaikovsky. 输出: