Rates have roller-coastered through two peaks and troughs in the past decade, and when the bottom of the current trough will be reached is anybody's guess.

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So even though the global music revenues are so much lower than before, what has emerged at the bottom of the revenue trough is a tougher, wiser industry that now has some solid footing on which to launch a digital counteroffensive.

FORBES: Music Industry Stops Losing Money, Finally

Historically low interest rates and bottom-of-the-trough housing prices have combined to increase the Housing Affordability Index (as reported by the National Association of Realtors) to record highs.

FORBES: Engineering Homeownership For Non-Homeownership Candidates

Both CEOs took over their companies near the bottom of the capital markets trough and have worked their companies back up to a stock price nearly identically above the pre-crash all-time high.

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