I work at a Jewish Hospital this is a big help! I now know a few greetings for the Holidays and the song makes it super easy to remember and pronounce 🥰
My great great grandfather lit the curtains on fire checking for chametz this way. I'm the first person in the family to ritually check for chametz since, and now I'm a Modern Orthodox rebbetzen. We use a flashlight because it's easier and completely fine halachically.