They don't sing anymore.
3 seconds sound clip from the The High and the Mighty (1954) movie soundboard.
You can hear this line at 00:29:37 in the DVD version of the movie.
Quote context
[...]
- And I played pretty good golf, and I slept nights.
- Only now all the fishes in the lagoon are dead.
- And the people are scared forever.
- Professor, I suggest you go to your tent and rest for a while.
- I'll arrange transport back to the States for you at the earliest possible moment.
[...]