EXCLUSIVE: Mark Isham has been scoring film and television since the 1980s, ringing of a stack of interesting credits that includes Reversal of Fortune, Point Break, From the Earth to the Moon, Crash, The Bad Lieutenant: Port of Call New Orleans, among many others. His haunting score for the second season of ABC’s John Ridley-created drama American Crime is one of the season’s big stand outs, a continuation of the chamber-music style he brought to season one with hints of…