WHILE the ingredients to a great nature documentary may vary, some key elements include stunning cinematography, great storytelling - and a soundtrack that complements the visuals. For Pragna Parsotam-Kok, a South African storyteller and a National Geographic Explorer, that means the soundtrack must perfectly match the film's setting. "There are all these beautiful African wildlife and nature documentaries that we watch, but all the music that you hear is Beethoven and 15-piece orchestras playing in the background, and it doesn't resonate with the lion that's chasing the buck across the African plain," said Parsotam-Kok. NEWF cofounder and National Geographic Explorer…