A common analogy that even I often use is to compare the bow of a string instrument to the air on the brass. Just as the bow moves across the string to create vibration, the air must move past the lips on a brass instrument. Usually I hear this comparison to make a point about breathing, such as there is no sound without the air.

It’s interesting to view the vibrating bowed string and compare it with the vibrations of the lips. Here’s a video showing the vibrating string is slow motion.

Video No Longer Available

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