Middle 20th Century (1930 - 1960) Middle 20th Century (1930 - 1960): Traces a return to baroque and classical forms and the rise of jazz with accompanying composer biographies and related resources. From Heart's Ease Conservatory. (Early 20th Century) http://www.hearts-ease.org/cgi-bin/index_c.cgi?period=Mid%2020th%20Century
20th Century: 1900-Present 20th Century: 1900-Present: Introduction to recent compositional work from Essentials of Music. Linked to details on historical themes, musical context, style, and living or recently deceased composer biographies. (Early 20th Century) http://www.essentialsofmusic.com/eras/20thC.html
Early 20th Century (1900 - 1930) Early 20th Century (1900 - 1930): Heart's Ease Conservatory outlines the rise of post-romantic music and lists major composers with biographies, suggested reading, and additional resources. (Early 20th Century) http://www.hearts-ease.org/cgi-bin/index_c.cgi?period=Early%2020th%20Century