On the economics and over-supply of adult tuba players. Interesting stuff.
That said, there are a number of high school marching bands that +Kay Hill's competes against that have multiple tubas (or, as illustrated below, Sousaphones), and I wish her school had a few more. Maybe some of the surplus tupists would consider going back to school …
Too Many Tubas
The odds are stacked against these noble brass blowers. A dirty little secret of the orchestral world is that there are far too many tubists.