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. www.essentialsofmusic.com/eras/20thC.html
The Conservatory at Humanities Web outlines the rise of post-romantic music, rhythmic, harmonic, and tonal experimentation, and lists major composers with biographies, suggested reading, and additional resources. humanitiesweb.org/human.php?s=c&p=i&a=l&ID=8