Kilenyi Sr. taught music to George Gershwin for five years and wrote music for the Sam Fox Publishing Company and over 40 movies from the 1910s-1940s.
Kilenyi Sr.'s expertise in music was shared with George Gershwin during a five-year period, as well as his contributions to the creation of musical pieces for the Sam Fox Publishing Company and films released between the 1910s and 1940s.