Something that is very popular, but only for a short time
Fad
A category, or style, of music
Genre
A small part taken from a song to be used in a different song
Sample
The way that two or more notes work together at the same time
Harmony
Notes that sound bad when played together
Clash
Instruments that are played by hitting
Percussion
Any person who writes a piece of music
Composer
Two or more musicians playing songs together
Band
The emotional state of something (happy, sad, angry, etc...)
Mood
The main idea of a song, book, or movie
Theme
