What musical characteristic does Purcell use to mimic the act of "shaking" in Dido and Aeneas?

What is the form of the second movement of Haydn's String Quartet, op. 76, no. 3?

a) sonata form b) fugue c) minuet d) theme and variations

Which song became the rallying cry of the North during the Civil War?

A) "The Battle Cry of the Republic" B) "The Yellow Rose of Texas" C) "Dixie" D) "Traitor! Spare that Flag"