Pyotr Iljich Tchaikovsky (1840-1893), composer.
Pyotr Iljich Tchaikovsky (1840-1893), composer, conductor, music critic, music and public figure. Professor of theory music and free composition (1866-1878).
Pyotr Iljich Tchaikovsky (1840-1893), composer, conductor, music critic, music and public figure. Professor of theory music and free composition (1866-1878).