How Do You Draw Music?

I did this illustration for the Hartford Courant several years ago. Coming across it again reminded me how hard it is to visualize some things, like music or things heard and not seen. We resort to shorthand and code to explain music, which is what I did here. The story was about perfect pitch, who has it and who doesn't. Having it is easier to show than not having it. (It's hard to show something that's not there.)

After sketching around the idea for a while I decided to put one person right side up and the other upside down, to show they are hearing the same music differently. I had them identifying the musical pitch differently. Not just differently, though. What she identifies as "b" he says is "g" which works nicely because it's "b" upside down. Some things are simple to show but complicated to explain.