It’s a $750 million thriller.

Sony Corp. of America, a wholly owned subsidiary of Tokyo-based conglomerate Sony Corp., announced Monday that it has signed a binding memorandum of understanding to buy the remaining 50 percent stake in Sony/ATV Music Publishing it does not already own from the estate of pop icon Michael Jackson. Three prominent Am Law 100 firms, as well as two top Los Angeles-based boutiques, have landed lead roles on the transaction.