As a kid my ear was practically glued to our Zenith . Almost every station in Philadelphia carried a singing commercial by a dentist: Dr . Algase. He must have been a pioneer since in those days it was not ethical for doctors and dentists, etc to advertise. After much searching I found on the sheet music the cover (right) . That song, Show a Sunny Smile,was composed by Dr. Algase himself and legend has it that he sang it as well! He also founded a club and even produced a radio wedding! Attached is the cover of the music. If by some miracle there as a recording of that singing commercial I would be surprised and delighted. The singer (Dr. Algae?) was a tenor backed by a 1920s or 1930s type orchestra. I know that they should be very rare especially those that were local. If you happen to have such a recordings, please reply below!