Clues:
A so-so year for singles. Some standouts: Edwin Starr’s “War”; Joe Cocker’s cover of “The Letter”; “The Tears of a Clown,” Smokey Robinson & The Miracles; “My Sweet Lord,” George Harrison; John & Yoko’s “Instant Karma”; Kinks on last gas with “Lola”; and Mungo Jerry’s “In the Summertime.”