And, after a while, always a passing mention of a tutor in the household, a foreigner named Professor Bhaer.
8 seconds sound clip from the Little Women (1950) classic radio play.
You can hear this line at 00:43:16 in the radio play.
Quote context
[...]
- I have no little ones any more, Jo.
- You have Beth, Marmee. And Amy.
- So Jo left Concord. We heard from her regularly... and always an inquiry about Laurie...
- Oh, please don't stop, Professor. It's so beautiful.
- What is that song? I've heard you play it before.
- It's called Nur wer die Sehnsucht kennt.
- Alone and parted, far from joy and gladness, my senses fail, a burning fire devours me.
[...]