Mark is a singer-songwriter and film score composer living in South Georgia.  His works include the scores for Sherwood Pictures films, "Flywheel," "Facing The Giants," "Fireproof," "Courageous," and Argentum Entertainment's recent release, "New Life."

In addition to film scores, Mark writes songs for Sherwood Worship, based in Albany, GA.

Born December 14th, 1992 in Phoenix AZ, Robert Portz IV (AKA "Zillz") has always been on the fast track for success. Even at a young age, Robert was in advanced classes and receiving honors for his determination. After graduating at the top 10% of his class from Independence High School in 2011, Robert went on to study Psychology and Philosophy at the University of Arizona in Tucson, AZ. After about a year in college, he decided that he wasn't meant for this, studying, doing homework, reading....he was meant for something more, something greater. He found himself writing lyrics during all of his classes instead of taking notes. Producing instrumentals instead of studying for tests. It was then he realized his true calling, and began recording under the name "Robzilla" (later changed to "Zilla", then eventually "Zillz"). In 2012, Zillz became part of a group called The Collection with rapper James Coleman (Black Boss), under which he performed his first show at 27th Ave Bar n Grill in Phoenix, AZ. In mid-2013, the group disbanded, and Zillz took on a solo career. In 2013, Zillz met manager Todd Wayda (Todd Bundlez) of Hand Krafted Studios (HKS), where he is currently working on his first solo album. Zillz' first album "Basic Cable" is set to be released in January 2016, engineered by Brian Gigerich.

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