In a review of her concert at New York's Aeolian Hall in January 1919, James Huneker wrote that "... she transformed Chopin preludes into veritable typhoons", and "... in the Barcarolle, instead of gondolas and the vows of lovers, moonlight and soft Adriatic zephyrs, we were shown a huge warship that steamed through the Grand Canal, sirens screaming, cannons booming, and a band playing Hungarian Rhapsody by Liszt.

"[11] Yolanda Mero made a number of piano rolls, of music by Bach, Beethoven, Sergei Bortkiewicz, Cécile Chaminade, Debussy, Dohnányi, Grieg, Handel, Haydn, Liszt, Moszkowski, Mozart, Anton Rubinstein, Schubert, Sinding, Johann Strauss II, Richard Strauss, Tchaikovsky, Max Vogrich and Wagner.

[13] Her recording of Max Vogrich's Staccato-Caprice appears on the CD Women at the Piano: An Anthology of Historic Performances, Vol.

[3] Her recording of Carl Heymann's Elfenspiel, Etude in E major appears on Welte-Mignon Piano Rolls, Vol.

[19][20] She also became an activist in the cause of improving the quality of the content of radio broadcasts, launching attacks on soap operas and advertising.

[24] She established an endowment with the Musicians Foundation, Inc.[25] Yolanda Mero-Irion lived with her husband on their estate in Rockland County, NY.