In many ways, post-rock is an easy genre. Get a guitar, bass, and drums, load them with enough pedals to make Kevin Shields gasp and repeat a single musical phrase for the guts of seventy minutes and, voilà, you’re the next Explosions In The Sky, This Will Destroy or The Album Leaf. Freebasers will line up far and wide to catch a glimpse of what you’re doing, tv shows will contact you to write the score for their uplifting emotional scene and you’ll write variants of an identical theme for about decade, replacing members faster than an 80’s hair metal…