The amount of lighting could set a brighter or darker tone, as could the colors used to portray the mood. Less lighting could mean the play has a more serious topic, where natural lighting could lend a happier theme.
Microphones. As communities grew and gatherings became larger, the challenge was to create a device that would allow everyone to hear the performers.
Answer:
Take each note in the original melody and determine its scale degree. For example, to transpose c major to d major, you would substitute the original c major to the d major that corresponds to the same scale degree.