Some Interesting Classical Music Facts Via Harper's Index

From a search for "classical music" on Harper's Index:

6/84 Annual earnings, including overtime, of a Carnegie Hall stagehand: $90,000

12/87 Donation required for the opportunity to name a “grand staircase” at Carnegie Hall: $500,000

Donation required to name the service elevator there: $250,000

7/97 Number of the four best-selling classical music albums of all time that are collections put out by Victoria’s Secret: 2