Adapted from Brendan Dawes' cityscape generator shown at OFFF Cincinnat, 2013i. I instantly saw the buildings as frequency meters, so set about making them behave as such. My first foray into audio analysis with Processing.
Music clip from legacy.sonymusic.com.edgesuite.net/prod/mps/catalog_8/000/005/074/asset_5915/BenFoldsFive_TheSoundOfTheLifeOfTheMind_88725464102_01_02_MichaelPraytorFiveYearsLater_128K44_CLIP.mp3
Brendan's original Processing sketch: gist.github.com/brendandawes/4665125
My adapted Processing sketch: gist.github.com/hungrymedia/5133550