I remember someone saying many years ago "Michael Giacchino? Who is he? Discount John Williams?" Nope, he's the next John Williams. Watch this space. He became notable after scoring Lost but has now worked on Rogue One, The Incredibles, Star Trek, Zootopia, Coco, Doctor Strange and more.

Basically the JJ Abrams and Michael Giacchino pairing is kind of like Spielberg and John Williams. Or Tim Burton and Danny Elfman. When a director can trust a composer, their work appears effortlessy in-sync.