Oh Gosh, I've heard so many weird kinds of all genres....well , here are a few of them :

"Osidian Facades" by locrian and Mamiffer
"Carasoul" by Mr.Bungle
"Fire of Ada" by Tin Hat Trio
Hungry Ghosts - "I Don't Think About You Anymore But, I Don't Think About You Anyless"
"Take Courage"- Andrew Bird
"Tarantula"-pendulum

Other weird bands: Grizzly Bear, Low Roar, awolnation, Court Jester's Crew, Les Discrets, Slayer, Mogwai, The Dead Brothers, and Behemoth. Hope you like them X3 teehee