Which famous painter went through a period of time in his career referred to as the blue period?

i believe their role is to instruct certain sections on when they are to join and when they are to stop

the answer is letter b. false. fugue is a complex musical composition that does not occur or come together at the same time. in fact, it is composed of a number of voices or parts where the theme is introduced in one part and successively imitated in other parts.