| It's a video about sound. A science song about sound. Also there's a bit about the five senses. That is a description of this video thank you. |
| charlie mcdonnell charlieissocoollike fun science sound hearing process song wave brain impulse message vocal chords vibrate air mouth high low frequency microphone wall window echo digitally speakers video head touch at distance bones liquid hairs knowled |
| Views: 1131087 | 2011-08-27 |