MARC BROUSSARD “Bayou Soul” artist Marc Broussard, who grew up in Lafayette Parish, La. (where he still lives), is a product of his environment in more ways than one. “My father is a rhythm and blues as well as a jazz guitar player, so he had a major influence on my upbringing as a musician,” says Broussard, who performs at the South Orange Performing Arts Center, April 1. “He was sort of in charge of the stereo system at home for quite a long time. “It was definitely inescapable to be influenced by this region. There is no doubt that I was influenced by the Cajun and zydeco culture and I’ll a…