Apparently there are people still undecided about who should be the nation’s next president. Like sightings of Bigfoot, there’s talk of encounters with these mythical beasts, but no actual proof that they really exist. Politics and folklore aside, one thing is certain: People won’t be on the fence when it comes to their feelings on Cheap Fest. Held by RVA Noise, Perfect Church and Scant L.T.D., the seventh annual showcase of experimental music draws its line in the sand Saturday and Sunday, Oct. 22 and 23, at Strange Matter, celebrating sounds free of ambivalence. From the stabbing shrillness of Mannequin Hollowcaust to the rubber-room reverberations of Shannon and the Tunnels, you’ll know exactly how you feel about all the acts within seconds. The showcase of local, regional and national polarizers begins each day at 2 p.m. Suggested admission is $5-$10. strangematterrva.com.