useless trivia: What Word Means: Ostentatiously?

Questions

Made In Canada: Their songs include "Mr. Windley", "No One Knows", and "Drive".?

Made In Canada: They have such hits as "Tom Sawyer" and "Nobody's Hero".?

Madonna's album where you can find "Rain" and "Deeper and Deeper"?

Malcolm & Angus Young are members of this famous Australian group?

Male Vocalists: Eric Clapton's 1973 comeback concert was staged at this London venue.?