21) Which Pink Floyd song from The Wall features a guest vocal from Bob Geldof?
22) What was the first single released by Pink Floyd?
23) Who wrote and sang the lyrics on Pink Floyd's first single?
24) In which song does a character named "Pink" appear?
25) In the cartoon sequence for the film The Wall, what animal is Pink Floyd flying on?
26) Who wrote the lyrics for "Echoes", from the album Meddle?
27) What is the title of the posthumous studio album featuring unreleased material by Pink Floyd?
28) What were the original working titles for the album Animals?
29) Which album featured a floating pig on its cover?
30) What year did Pink Floyd perform at Live Aid?