The brothers get a tape player and once they hit play, the music causes them to dance uncontrollably. As they bring it back home, they see that anyone who hears the music starts dancing too.
The brothers receive a music player, and as soon as the music begins, they are overcome with an uncontainable urge to move in time. Upon returning home with the device, they notice that anyone who hears the sound is also affected, exhibiting similar behavior.