You need to correspond with your pen pal. They will think the worst if you do not correspond with them.
music is mood
Ricky Martin's mood of music is crazy and old style and fancy
Correspond
Yes, mood is a noun, though it can be used without change as an adjective, as in "mood music."
Music can change one's mood
he likes random music
modern
The nouns in the sentence are:theatermoviemusicmood
music helps set the mood
theater,movie,music,mood
religion is like music in a few ways. religion can be smooth or rough. And music can correspond to the religion and also in many countries there is religious music.