bus stories is about all i'm good for
i was sitting next to a woman with a 5-year-old girl on her lap. the girl is grabbing the hands of and otherwise playing with the 2-year-old boy in the seat in front of her, who was on his mom's lap too (the two pairs were not related nor had ever met before the bus trip, as far as i could tell). the kids are smiling and laughing and then suddenly both started making this weird crooning noise. it was a sound from deep in their throats, like saying "um" with food in your mouth, and they both rose & fell in pitch a few times before hitting this strange resonant chord that perfectly fit with the bus engine noise. they sang for about 30 seconds and then started playing and laughing again.