Of course, these familiar melodies were legislated out of existence in the '60's (though they are still legal products! Many of these commercials are jingles, and it's fun to hear vocal styles and instrumentation change over twenty years.
The entire 57 minutes is a fascinating aural history and highly recommended for your enjoyment.
The final commercial is cut off, but this amazing recording is complete with the official Sign Off, The Star Spangled Banner, and "No Carrier".
First, this is also a very long exhibit - almost two hours.
Joe even matched stylus size to each disk, but he admits that some of the older vinyl was just plain grungy.