Image: WWE / Julia Gillard / Gizmodo Australia Triple J’s Requestival is a week-long event that invites listeners to submit their own music tracks to be played on the airwaves between 6 a.m. and 9 p.m. every day. It’s a rare celebration, but it’s always worthwhile tuning in because not only do you get to hear some absolute bangers, you also get to hear some batshit crazy musical choices. Four days into this year’s Requestival, we’ve already seen some flat-out weird shit — including special guest appearances from Julia Gillard and WWE’s The Undertaker. Sure, there’s