It is correct.

I teach it to residents.

Recording seventy-four is the fourteenth of October and it is eleven minutes long and my daughter falls asleep in it.

Not at bedtime.

At six-forty in the evening, mid-sentence, sitting up, while I am talking to her.

And on that recording you can hear my own voice saying — warmly, and with a laugh in it, because I was pleased to have had eleven minutes —

“Okay, monkey.