My 2 yo grandsons (twins) would run from wherever they were when i’d play this:
http://youtube.com/watch?v=f1tDqqp1Sbs
I don’t know if it was the blonde or the song, but they’d crawl up on my lap and sit motionlessly, snuggling, until it had played twice, at least.
They just left this morning. boohoo!
Probably both. They're boys.