Very interesting! Thanks for posting the link.
This happens to me frequently. Hair stands on end. Sometimes choked up, can’t talk… I used to think that everybody was like this, but when I’ve asked, some of my friends (and my wife) don’t have any idea what I’m talking about.
Mercedes Sosa’s “Gracias a la Vida” does this to me every single time. “In This Heart” by Sinead O’Connor as well.
I am triggered too when I hear live music and the audience sings along, like at the end of this performance of “Sit Down” by James: