It's from the first musical by Rodgers and Hammerstein..."Oklahoma!". And now I'll have that song stuck in my head for the rest of the day...or actually probably the whole score.
I hope that earwig has died by now. If not, you can replace it with "Londonderry Air," which is almost an answer to one of the clues in this puzzle: https://www.youtube.com/watch?v=XGq4kXgeoCg. (And, no, I don't know why they coupled this Irish tune with pictures of Stonehenge; if I want music about Stonehenge then I'll go to the one and only masterpiece on that subject: https://www.youtube.com/watch?v=qAXzzHM8zLw)
Woah! Andrew and Katrina totally threw me for a moment.... my other half and sister-in-law's names... and their surname has a double R in it! Took me a second \;