“A paper by Cooley and Tukey [5] described a recipe for computing Fouri- er coefficients of a time series that used many fewer machine operations than did the straightforward procedure…What lies over the horizon in digital signal processing is anyone’s guess, but I think it will surprise us all.”

Open source seperation of music into constituent instruments.

I learned a thing long time ago, and it was: Once you print something, you can’t get it back.