When it is important to ensure that there is no natural light in the darkroom? when developing film but not when printing photos

when printing photos but not when developing film

when both developing film and printing photos

neither when developing film nor when printing photos

Which of the following may have influenced neumatic notation? a. ancient roman music b. muslim chant notation c. hindu chant notation d. byzantine

How is pop music related to popular music? what theme does pop music typically discuss in the lyrics? why do you think this theme relates so much to lots of different types of listeners? describe one pop song that uses this theme. what is disco? when did it develop, and what characteristics set it apart from other genres of popular music? what was the british invasion? which famous group was a part of this movement? what impact did the group have on pop music? what is a boy band? what are some characteristics of a boy band?

Explain briefly why it's to choose a chord progression before developing the harmony.