So you think you know a lot about music?

For the final exam in this course:  "Define, compare, and contrast five of the following musical genres.  Be specific." 

Canterbury scene
rock gaucho
Lithumania
vegan straight edge
technical death metal
black sludge
filthstep
deep orgcore
fourth world
grave wave
fidget house
shiver pop
contemporary post-bop
Nintendocore
full on
fingerstyle
deathgrind
quiet storm

Selected from a longer list at Harper's, which in turn was selected from "a list of 1,266 musical genres compiled by Glenn McDonald, creator of everynoise.com, which seeks to produce a comprehensive music-classification system."