Question: What American country singer previously known as Bubba Wray released the song "On the Verge" in 1997?
Sentence (from "Rainbow (Johnny Cash album)"): Following the release of this album and a duet album with Jennings in 1986, Cash moved to Mercury Records as a result of Columbia's fading interest in his music, though he later returned to Columbia for the second Highwaymen album.
Relevant evidence: No