We probably wouldn't use the term positive music at all except for the fact that negative music has become such an issue. Traditionally, in most societies, people have played only positive music.
Negative music is music that has a negative effect.
One form of negative music is music that is used to express or to stimulate negative emotions. His music was rejected by European concert attendees of the time and sometimes caused near riots. Based on discords, Sch nberg's music caused listeners to feel uncomfortable and irritated. However, Sch nberg became the pivotal composer of the early twentieth century and today he is considered one of the greatest composers of that century. Sch nberg's music ushered in an era of negative music in Western classical music that lasted for over fifty years.