Behind the Scenes of the Piano Puzzler

So, what is a Piano Puzzler? On the air every week, Bruce Adolphe re-writes a familiar tune in the style of a classical composer. One listener gets on the phone, and the caller listens to Bruce play his Piano Puzzler. They then try to do two things: name the hidden tune, and name the composer whose style Bruce is mimicking. In this video we get behind the scenes and learn the core secrets behind the construction of a Puzzler.
Further listening and reading:

Piano Street: Can you figure out these Piano Puzzles?