As he reflects on his four decades working with Martin Scorsese, re-recording mixer Tom Fleischman smiles, recalling the roughly 25 feature and documentary productions on which they collaborated, from 1980's Raging Bull to the director's most recent mob epic, The Irishman.His favorite part of the collaboration? "When we've been working for hours on a difficult sequence or a tricky musical transition and I turn around and we both smile and nod and he shouts, 'Great!' And gives me a