That was an interesting read. There is a movie called RV, and in that movie there is an RV with a kalason type select-a-melody horn installed. I'm glad we don't have these distractions in our vehicles, but they would surely be a fun diversion while stuck in traffic. Can you imagine the cacophony of a congested California freeway, with each vehicle belting out their own melodies on their own kalason? I can. No thank you. But, to dream...