"3D Player App" by Scott Hawley
Drag the icons around to move the sounds. Wear headphones. Use Chrome or Firefox.
Vocals and ac. guitar: Scott, Drums: Matthew Burgess, Bass: Chris Frasco, Keys: Greg Bieck, Dobro and Banjo: Rex Schnelle
Code heavily modified from this tutorial
Icons by Egor Rumyantsev (ac gtr) and freepic.com (all others)