I'll chip in with a few more of my favourite singing voices.
Thom Yorke, of Radiohead:
Bryan Ferry, of Roxy Music:
Gordon Lightfoot:
José González:
Andreya Triana, here with Bonobo (I saw these perform live recently, they're great):
...dot com bold typeface rhetoric. You go clickety click and get your head split. 'The hell you look like on a message board Discussing whether or not the Brother is hardcore?