Though it feels like an ice age has come and gone, it wasn’t so long ago that writer/director Damien Chazelle became Hollywood’s golden boy. After making a name for himself with 2014’s “Whiplash,” Chazelle solidified his reputation as Tinseltown’s favorite young filmmaker with the 2016 megahit musical “La La Land,” which earned nearly $450 million at the box office and a record-tying fourteen Oscar nominations.