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.
Answer:
marbles dropped from your hand onto a wood floor
Explanation:
Answer-
The Dipylon vase is from the Geometric period, from Ancient Greece.
Explanation-
The Dipylon Master was an ancient Greek vase painter who was active from around 760–750 BC. He worked in Athens, where he and his workshop produced large funerary vessels for those interred in the Dipylon Gate cemetery, whence his name comes. His work belongs to the very late stage of the Geometric Style.