Particularly adequate listening for this time of year, Rimsky-Korsakov's The Flight of the Bumblebee is playing on the iPod. The orchestral interlude, composed around 1900, was later transcribed for piano by Sergei Rachmaninoff, with a few enhancements to the harmony. It's the piano transcription that's playing.
"Although the original orchestral version mercifully assigns portions of the sixteenth-note runs to various instruments in tandem, in the century since its composition the piece has become a standard showcase for solo instrumental virtuosity, whether on the original violin or on practically any other melodic instrument." -- Wikipedia