– Romantic scene in a drama movie – Really emotional piano music.
– Romantic scene in a drama movie, with a touch of tragedy – Very emotional strings.
– Romantic scene in a drama or drama comedy movie with lots of witty dialogue – Jazz, or just anything played with a saxophone.
– Romantic scene in a Woody Allen movie, naturally with lots of witty dialogue – Jazz, or just anything played with a clarinet.
– Romantic scene in a drama comedy movie – SO SENSUAL funk from the 1970s.
– Romantic scene in a comedy movie, with some gross out elements – Feel good pop rock.
– Romantic scene in a fantasy comedy movie – Lively strings, harp and Danny Elfman.
And so on, and so on.