She toured from St. Petersburg, Russia, to San Francisco, and California. She was a favorite of the Boston Symphony and performed with this venerable organization an astonishing fifty-one times. When Carnegie Hall was dedicated, the finest musicians of the day were engaged Tchaikovsky to conduct and aus der Ohe to solo. She became a friend of Tchaikovsky and he invited her to St. Petersburg to perform his Piano Concerto in B-flat minor at the same concert that featured the premier of his Pathetique Symphony, which turned out to be Tchaikovsky's final performance.