Since the beginning of time, music has been used as an expression of cultural identity. Since then, a study by Dartmouth music psychologist Petr Janata published by Science in 2002, has confirmed that music prompts greater connectivity between the brains left and right hemisphere and between the areas responsible for emotion and memory, than does almost any other stimulus.
Children who engage in music such as playing musical instruments, stage plays, singing, dancing, or musical plays have greater self-confidence and thus increasing the children’s self-esteem which is very beneficial before they reach their teenage years.
In the 1950s and 1960s, composers such as Karlheinz Stockhausen experimented with electronic music , using electronic circuits, amplifiers and loudspeakers In the 1970s, composers began using electronic synthesizers and musical instruments from rock and roll music, such as the electric guitar They used these new instruments to make new sounds.
More broadly it refers to any study of music, usually related in some form with compositional concerns, and may include mathematics , physics , and anthropology What is most commonly taught in beginning music theory classes are guidelines to write in the style of the common practice period , or tonal music Theory, even of music of the common practice period, may take many other forms.
As well, it describes music movements, events and genres related to women , women’s issues and feminism In the 2010s, while women comprise a significant proportion of popular music and classical music singers, and a significant proportion of songwriters (many of them being singer-songwriters ), there are few women record producers , rock critics and rock instrumentalists.