I think my list of Edgiest Christmas Songs just got one track longer. "Blue Xmas (To Whom It May Concern)" was Miles Davis's only Christmas song. He recorded it in 1962 with Bob Dorough, who was still a decade away from composing and performing many of the Schoolhouse Rock songs that incongruously flood your head when you hear
Blue Xmas, when you're blue at ChristmastimePretty great stuff.
you see right through,
All the waste, all the sham, all the haste
and plain old bad taste