Dolly Parton and Willie Nelson, both prominent figures in the country music scene, have had significant influence on the genre. Dolly Parton, known for her mezzo-soprano voice and narrative songwriting, has produced influential works like "Jolene" and "I Will Always Love You". Willie Nelson, recognized for his unique guitar playing and nasal voice, has contributed seminal works like "On the Road Again" and "Always on My Mind". Both artists have been inducted into the Country Music Hall of Fame, affirming their importance in the history of country music.