How do sharps or flats work on a scale?

Explanation:

A sharp symbol on a line or space in the key signature raises the notes on that line or space one semitone above the natural, and a flat lowers such notes one semitone. ... Each major and minor key has an associated key signature that sharpens or flattens the notes which are used in its scale.

the music of the classical period was often written to be more accessible and enjoyable for all people, rather than just the wealthy. how does contemporary music reach all audiences instead of selected patrons? select a contemporary genre of music and discuss how it reaches varied audiences. be sure to identify your musical choice within your discussion.