Music includes writers.
A composer ( Latin compono ; literally `` one who puts together '' ) is a person who creates or writes music , which can be vocal music ( for a singer or choir ) , instrumental music ( e.g. , for solo piano , string quartet , wind quintet or orchestra ) or music which combines both instruments and voices ( e.g. , opera or art song , which is a singer accompanied by a pianist ) . In broader usage , `` composer '' can designate people who participate in other musical traditions who create music , as well as those who create music by means other than written notation : for example , Blues or folk singers and guitarists who create songs through improvisation and recording and popular music writers of musical theatre songs and arrangements . Music . 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 .