Mary_jo, you selected my number one "lost love song" sang by anybody.
Rok is speaking of a voice that's not "aesthetically" beautiful; like Nancy Wilson's voice for example is aesthetically beautiful.
No, my friend was not distant, he enjoyed people; but he was uniquely original with a mind of his own. "Bohemian" might be a better word for you to comprehend "jazzy" as referred to a person. I give you "Bohemia After Dark", which is one of my favorite tunes that depicts "jazzy" people after dark.
https://www.youtube.com/watch?v=s5EwGijmqKc
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