Question: What American bluegrass singer guest performs on an album by American country music singer Daryle Singletary?
Sentence (from "That's Why I Sing This Way"): Except for its title track, the album is composed of cover songs. Two singles were released from it: the title track and a cover of Conway Twitty's 1980 Number One single "I'd Love to Lay You Down", which respectively reached #47 and #43 on the U.S. "Billboard" country singles charts.
Relevant evidence: No