Misc: In which year did the American Civil War end?

Questions

the concerti on the two voyager probes information discs are performed by what famed canadian pianist?

The country gentleman is the nickname of what guitarist?

The Doors: Album cover: a bunch of circus freaks playing in the street?

The Doors: Composer of "Light My fire"?

The Doors: First album released after Jim's death, Manzarek sings most songs.?