The 'Fast'/embedding model, unless the input is absolutely clear, snaps to the closest alternative.
Here's the song it created when I asked Gemini Flash to do it!
It called it, "Cobalt Kinetic" and explained that, "A high-velocity Mixolydian engine fueled by syncopated electronic pulses and glitchy accents, evoking the iridescent blur of hidden magic weaving through a midnight skyscraper canyon."
Here's the audio: https://vocaroo.com/1hjtPAxLWqyA