For most things, they say that the third time is the charm. While the latest installment of the Avatar series seems to be trailing the two previous installments by just a bit at the box office, one thing is clear: the music and emotions in this franchise have never run higher. And to that we’re giving hat tips, golf claps, and jumping high-fives to composer Simon Franglen. He’s a pillar in James Cameron’s acoustic armory and has been carrying the musical torch/thematic through-lines established by James Horner for that little blue mega blockbuster way back in 2009. We had the incredible opportunity to speak with Simon about his work on…