https://www.youtube.com/watch?v=uW5_F0PuBKc I take on the ULTIMATE CHALLENGE! OK, well, not ultimate, but it was pretty hard... Here are links to all the videos we used: Banjo: https://youtu.be/0fwFdMuWoPM?t=15s Ukulele: https://youtu.be/PB3RbO7updc?t=2m10s Pipa: https://youtu.be/ksiM1wRcutQ?t=13s Cigar box guitar: https://youtu.be/Z3aW68kQXsk?t=40s Viola: https://youtu.be/pCPRe9_kUN0?t=33s Morin Khuur / Horse head fiddle: https://youtu.be/JL5bN3bcdfA Piano: https://youtu.be/pMAtL7n_-rc?t=6s Bouzouki: https://youtu.be/mHh302C2HHM?t=2s Guzheng: https://youtu.be/zWUWCddcQTY?t=31s Cello: https://youtu.be/D9LrEXF3USs?t=2s