Just Music 2019 - Round 4 - Secret Messages by DixonD

"ΔMi−1 = −αΣn=1NDi[n] [Σj∈C[i]Fji[n − 1] +Fexti[n−1]]" is the title of a track which looks like this when played through spectrogram software, forming the face of its composer. Who dat?

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