By Steve Newton UFO are one of the most underrated hard-rock bands of all time. They should have been huge in the '70s--I mean Aerosmith huge. 20. "Lonely Heart" (The Wild, the Willing and the Innocent, 1981) 19. "Let It Roll" (Force It, 1975) 18. "Silver Bird" (Flying, 1971) 17. "Year of the Gun" (Seven … Continue reading UFO’s 20 best songs, from wicked to freakin’ awesome