Input (grade 13): This group's hits included the ballad "San Franciscan Nights", the grunge - heavy metal-pioneering "When I Was Young", "Monterey", the anti-Vietnam anthem "Sky Pilot" and the progressive cover of "Ring of Fire".
Output (grade 10): He continued to have chart success with songs like "San Franciscan Nights", "When I Was Young", "Good Times", "Sky Pilot", "Monterey" and "Ring of Fire".