Fifty years ago this month Jazz genius Miles Davis released Kind of Blue. Have a listen:
Did you catch that? Every cut was a first take. You can find tracks from Kind of Blue on youtube. I recommend “So What”.
Bonus track: John Coltrane’s “Giant Steps”:
analepsis 
Talking about cool, I thought that could be a fun subject for the VIAL class. I found this article that really connected the dots for me about the development of cool. http://philosophynow.org/issue80/What_Does_It_Mean_To_Be_Cool