So here's what I was thinking.
The whistle is a very underrated musical instrument. People forget that it's not just for referees and traffic cops. It's a brilliant musical instrument. Sure, it can only play one note, but still it's cool. And under-used.
There are many examples of songs in which the use of a whistle solo made it that much cooler. Right now, I'm thinking of three.
Guns N Roses -- Paradise City
Supertramp -- The Logical Song
Led Zeppelin -- Fool in the Rain
What are some others?
Mogwai Young Team