https://www.youtube.com/watch?v=C8Mgzr-kwnw&feature=youtu.be
https://www.youtube.com/watch?v=z_SWPeyb1pg&feature=youtu.be
https://www.youtube.com/watch?v=IZX-XIUbhrc&feature=youtu.be
https://www.cbc.ca/landandseanl/2014/07/a-pleasure-of-the-old-times.html
https://www.cbc.ca/landandseanl/2011/07/the-time-of-tunes.html
https://theinspiredtreehouse.com/homemade-instruments-for-kids-diy-xylophone/
http://mymusicalmagic.blogspot.com/2014/03/more-home-made-stringed-instruments-how.html
https://ourpastimes.com/how-to-make-a-wind-instrument-using-items-from-home-12244181.html
https://www.pbslearningmedia.org/resource/tdc02.sci.life.colt.ologist/guess-how-whales-hear/