Post-rock has long been intertwined with film and television. That’s why there’s a big chance you’ve heard it before, possibly without even knowing it. Explosions In The Sky (one of the genre’s most well-known acts) blew up into mainstream consciousness after scoring the American football drama Friday Night Lights (2006-2011). Their fellow Austin residents This Will Destroy You have been heard in popular movies as well, including Moneyball (2011), World War Z (2013), and at least one ad campaign without their permission. Long-running Scottish act Mogwai (named after the furry creatures from Gremlins) most recently scored the 2015 BBC 4…