When he was “new” the boy was pretty well behaved, except for diaper changing time. He would scream and scream no matter how much we explained that he would feel so much better after it was done. That’s when me and the wife started singing.*
This was the first song I sang, a little ditty sung to the tune of “We Love You, Conrad” from the musical Bye Bye Birdie about the miracle backend ointment, Butt Paste. Mostly this was done to distract the boy, but after a while he would smile when I sang (which of course, made my parental heart leap in my chest.)
But then an (even more) amazing thing started to happen – he began to anticipate me singing. I’d put him on the changing pad and he’s smile a little and peer up at me with a look on his face that was saying, “Here it comes..”
*We probably have enough songs for the first act of a Broadway diaper-changing musical.

I look forward to attending the opening of that musical.