Question: Other than Willie Nelson, what artists inspired the title cut for the album "Waves of Grain"? 
Sentence (from "Amber Waves of Grain"): The title cut, written by Freddy Powers, is a paean to the American farmer, in keeping with the spirit of the Willie Nelson-spearheaded Farm Aid benefit, as does "Tulare Dust" and "The Farmer's Daughter."
Relevant evidence: Yes