Alan Parsons Project: Which album is based on the works of an artist?

Questions

Lesotho (Basutoland) gains independence from Britain (National Day).?

Janis Joplin dies at age 27.?

21st Space Shuttle Mission - Atlantis 1 is launched.?

Graham Chapman, member of the Monty Python team, dies from cancer.?

Gregorian calendar introduced in Italy, other Catholic countries.?