A short film titled Song of the Dead was released in 2004 on Fangoria magazine's Blood Drive hosted by Rob Zombie.

Song of the Dead, Gubera's first feature film starring Reggie Bannister (Phantasm series and Bubba Ho-Tep), has currently been screened at several national and international festivals and has won awards in the US, Spain, and Argentina.

[4][5] Gubera directed two feature films with the University of Missouri starring Mexican masked wrestler Mil Máscaras.

The film picked up a number of honors including winning Best Feature Documentary at the 2012 St. Louis Filmmaker's Showcase and being nominated for a 2013 Mid-America Emmy.

[1] The film stars R.A. Mihailoff, Jewel Shepard, Delious Kennedy from the R&B group All-4-One, Ben Kaplan and Morgan Carter.