Kovacs used classical music as background for silent skits or abstract visual routines, including "Concerto for Orchestra", by Béla Bartók; music from the opera "The Love of Three Oranges", by Sergei Prokofiev; the finale of Igor Stravinsky's suite "The Firebird"; and Richard Strauss' "Till Eulenspiegel's Merry Pranks"; and, from George Gershwin, "Rialto Ripples"—the theme to his shows—as well as parts of Gershwin's "Concerto in F". He may have been known best for using Joseph Haydn's "String Quartet, Opus 3, Number 5" (the "Serenade," actually composed by Roman Hoffstetter) for a series of 1960–61 commercials he created and videotaped for his sponsor, Dutch Masters.
Kovacs used classical music as background for silent skits or abstract visual routines including "Concerto for Orchestra" by Béla Bartók; music from the opera "The Love of Three Oranges" by Sergei Prokofiev; the finale of Igor Stravinsky's suite "The Firebird"; and Richard Strauss' "Till Eulenspiegel's Merry Pranks"; and from George Gershwin "Rialto Ripples"—the theme to his shows—as well as parts of Gershwin's "Concerto in F" He may have been known best for using Joseph Haydn's "String Quartet Opus 3 Number 5" (the "Serenade" actually composed by Roman Hoffstetter) for a series of 1960–61 commercials he created and videotaped for his sponsor Dutch Masters