Johnny Rivers version with a few necessary tweaks to the piano part to make it “fit”. Also doubled up on tambourine (which originally was a handclap). Played around with velocities and added the fade-out at the end (thanks to LOX guru Persist 
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This uses STAX Piano 4 octave and strings (even though strings aren’t used in tune) simply because it “worked”.
rockin pneumonia.zip (55.3 KB)
Here’s a ‘73 live version….