Question: Herb Metoyer is a Detroit-based singer-songwriter and novelist, best known for his folk music , he was an early mentor to, and lifelong influence on, Mike Taylor, who performed extensively with Henry John Deutschendorf Jr., an American singer-songwriter, record producer, actor, activist, and humanitarian, whose greatest commercial success was as a solo singer, known professionally as John Denver, died on which date?
Sentence (from "Rocky Mountain High"): "Rocky Mountain High" is a folk rock song written by John Denver and Mike Taylor about Colorado, and is one of the two official state songs of Colorado.
Relevant evidence: No