Music includes strictly organized compositions.
Music . Music ranges from strictly organized compositions -- such as Classical music symphonies from the 1700s and 1800s , through to spontaneously played improvisational music such as jazz , and avant-garde styles of chance-based contemporary music from the 20th and 21st centuries . The music industry includes the individuals who create new songs and musical pieces ( such as songwriters and composers ) , individuals who perform music ( which include orchestra , jazz band and rock band musicians , singers and conductors ) , individuals who record music ( music producers and sound engineers ) , individuals who organize concert tours , and individuals who sell recordings and sheet music and scores to customers .