His three hit operettas of the mid-1920s, named above, are in the style of Viennese operetta, but his other works, from that time, mostly employ the style of American musicals of their eras.
Njegove hit operete od sredine 1920.-ih, u stilu su bečke operete, ali njegova druga djela, od tog vremena, uglavnom imaju stil američkih mjuzikla toga razdoblja.