Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Given the lyric, identify the Billboard #1 hit.
1968: "I left my home in Georgia and I headed for the Frisco Bay 'cause I've got nothin' to live for; looks like nothin's gonna come my way"
"People Got to Be Free"
"I Heard It Through the Grapevine"
"Harper Valley PTA"
"(Sittin' On) The Dock of the Bay"