It would say that the technique that was discontinued during the swing era was Collective improvisation (option B) This might be because improvisation was connected to Jazz and Free Jazz music. Swing jazz is based on the off-beat or music pulse.
A nighthawk is a nocturnal bird, hence the name. Value contrasts create the minute illusions of form in the shining, glossy hair atop the woman’s head, as well as the concavity of the male patrons’ fedoras.
Answer: Calligraphy is the art you are referring to.
