Show a Spectrum Analyzer in iTunes Instead of Song Info
In a somewhat hidden feature of iTunes, you can display a music spectrum analyzer in place of the iTunes song info. All you need to do is click on the little play icon in the song info area, it’s highlighted below with an arrow pointing to it:
This has probably been around for a while but I just stumbled upon it accidentally. I had never thought to click on that button, I long assumed it was a play and pause song icon.