None of the subjects in the video are shown hearing the music without other stimuli, e.g. interaction with their parents. This "music" reaction beats them all:

None of the subjects in the video are shown hearing the music without other stimuli, e.g. interaction with their parents. This "music" reaction beats them all: https://www.youtube.com/watch?v=RP4abiHdQpc https://www.youtube.com/watch?v=RP4abiHdQpc