 of recalling in a vague and indefinite manner, those strong emotions which were felt during long-past ages, when, as is probable, our early progenitors courted each other by the aid of vocal tones. (Darwin 1872: 219 (chapter VIII); a contemporary defense of the view that the arts are the product of sexual selections is found in Miller 2001; for a recent review on the evidence supporting Darwin’s hypothesis, see Ravignani 2018)