MusicPlaying the haloTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMusicSandy Hausman, Missouri04/04/2014April 4, 2014It's known by many names, can cost thousands of dollars and is often quite hard to obtain. But, still, it's worth the trouble, says musician David Griggs.https://p.dw.com/p/1BcH2Advertisement