I'm sharing this because it just makes me smile, and we certainly can't have enough of that.
The sound of the instruments are made with singer Mike Tompkins' mouth, voice and some glasses. I'm sure he synthesizes some of the vocal sounds, but nothing on here is an instrument, other than his own voice.
Pretty amazing. I love this, other than the chicken mid-way through the song.
It's his version of Fireflies by Owl City.
Hope you enjoy as much as I did.