The answer is C. Duchamp's L.H.O.O.Q. He copied the Mona Lisa with a mustache and goatee (or small beard if you will). The abbreviated words sound similar to French slang when read aloud "elle a chaud au cul" which means "she's hot for it" implying that a woman has a strong sexual restlessness. The Mona Lisa is a man, literally, as Duchamp puts it.
It began "by eye" in Ancient Greece
A serenade is a musical composition that's light in mood! Typically, these are sung by a male to his lover outside, and are written for a small ensemble of musicians. Mozart, among other famous musicians, also wrote serenades that helped the genre gain popularity.