not really an FFT approach, but you can take a euclidean rhythm or really any discrete rhythm for that matter and compute its slot weights. checkout https://git

not really an FFT approach, but you can take a euclidean rhythm or really any discrete rhythm for that matter and compute its slot weights. checkout https://github.com/clumsycomputer/clumsy-math#rhythm-slot-weight https://github.com/clumsycomputer/clumsy-math#rhythm-slot-we... for more details. you can use a rhythm's slot weights to set a wave's amplitude, phase, or frequency. just need to decide on some continuous <=> discrete mapping