Question: What American country music singer and songwriter from Rossville, Georgia, worked with Julian King, a Grammy Award-winning recording engineer, mix engineer, record producer and musician based in Nashville, Tennessee?
Sentence (from "Julian King (recording engineer)"): His credits also extend to some of the hottest young acts in country music today, such as Sugarland, Chris Young, Kellie Pickler, Lauren Alaina and Casey James.
Relevant evidence: Yes