Question: What 2012 American musical drama television series, produced by R. J. Cutler, has a discography where all of the actors who portray singing characters perform their own vocals?
Sentence (from "Nashville (2012 TV series)"): It was created by Academy Award winner Callie Khouri and produced by R. J. Cutler, Khouri, Dee Johnson, Steve Buchanan, and Connie Britton through season four, and Marshall Herskovitz and Ed Zwick from season five on.
Relevant evidence: Yes