Chords for Money Mark - insects are all around us

Insects are all around us.
They produce many sounds at many frequencies and volume levels.
We are so accustomed to hearing insect sounds, that we seldom listen to them.
Crickets produce their chirps by rubbing their wings together.
Rough spots on the cricket's wings produce the chirping vibrations which we hear.
The cricket is highly sensitive to temperature.
In fact, we can tell the temperature by crickets.
Count the number of chirps in 15 seconds and add 40.
The result is very close to the temperature on the Fahrenheit thermometer. [Eb] Listen.
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_ _ _ _ _ [Cm] _ _ _
_ _ _ [F] _ _ [Cm] _ _ [Gm] _
_ _ _ [Bb] _ _ [Cm] _ _ _
_ _ _ [C] _ _ [Gm] _ _ _
_ [Cm] _ _ [Bb] _ _ _ [Eb] _ _
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_ _ _ [F] _ [Cm] _ _ _ _
_ _ _ [F] _ _ [Cm] _ _ _
_ _ _ _ _ _ _ _
_ _ _ [C] _ _ [Cm] _ _ _
_ _ _ [Gb] _ [Cm] _ _ _ _
_ _ _ _ _ _ [Bb] _ _
_ [Cm] _ _ _ _ _ _ _
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_ _ _ _ The cricket was chirping at 76