What is sound? How does it travel? How do we hear? All this and more in this educational song all about sound. YouTube link below.CLICK HERE \/Original version: https://www.youtube.com/watch?v=nm55hy_gcUE&feature=youtu.beKaraoke version: https://youtu.be/Xsv5kpE6zd8 Don't forget to comment, like and subscribe if you enjoyed this content.