Low Cost LM386 Based Guitar Amplifier

Took reference from LM386 datasheet and below websites.

http://www.electrosmash.com/little-gem-analysis (pin 7 is not ground, but in schematic it is grounded)
http://www.runoffgroove.com/littlegem.html

Here is my video while I was testing it with my acoustic guitar
http://www.youtube.com/watch?v=TPsU6E7Vu5U

Video with electric guitar

http://www.youtube.com/watch?v=37JRp9hHwwY

More cool version of it...

https://www.facebook.com/media/set/?set=a.238235026325958.1073741833.128115487337913&type=1