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 discography"): This is the discography of the 2012 American musical drama television series "Nashville" (2012) by Academy Award-winning screenwriter Callie Khouri and starring Connie Britton as "Rayna Jaymes" and Hayden Panettiere as "Juliette Barnes."
Relevant evidence: Yes