music: what was the 'unfinished symphony' meant to be played for?

Questions

Movie Trivia Who was C3PO's sidekick in "Star Wars"?

Music "He's So Fine", "One Fine Day" and "A Love So Fine" where hits for what fine group?

Music "Joy to the World" was a hit in 1971 for what band with three lead vocalists?

Music Besides "Auld Lang Syne" and "For He's a Jolly Good Fellow", what is the most frequently sung song in English?

Music Fifties rock "n" roll was revived by what greased hair, T-shirted, TV frequenting group?