The death of colonial order in Europe, rise of the middle class during the industrial revolution, birth of mass media and consumerism, modern warfare and revolutions in philosophy, science and technology were just some of the factors influencing the intellectual culture of music in the 20^th Century. The diversity in styles across many genres, within genres, and the collected works of individual composers is astounding. To help get a better sense of the daunting abundance of music in the 20^th Century, consult the web resources below.