The violin that is also digitally altered to sound like a cello in some cues, is a civil war era antique played by artist musician Collin McRae.
Won best feature horror film (USA) 2016 award from The Subversive Film Society.
Multiple details were added including subliminal single frames of monstrous, rotting versions of character faces, and a confederate flag tattoo on a fraternity member's back (only glimpsed in one frame).
The entire movie is considered an independent, DIY, filmmaking homage to the styles of big budget genre filmmaking from the 70's by such directors as Brian DePalma, Ken Russell, and John Boorman. From the title sequence and music to the style of the colors, this was a guiding factor.
Because the feature length film production was self funded out of pocket for less than $20K (less than most short films), the writer/director had to fill most primary post production roles himself slowly learning techniques, software, and self critical evaluation. In fact, half of the material had him filling in shoes as producer as well. "It was my version of grad school" - Sharad