Music and the Child: "This book explores a holistic, artistic, and integrated approach to understanding the developmental connections between music and children. This book guides professionals to work through music, harnessing the processes that underlie music learning, and outlining developmentally appropriate methods to understand the role of music in children’s lives through play, games, creativity, and movement."
Understanding Basic Music Theory (OpenStax)
Music, Its Language, History, and Culture (CUNY): includes repertoires of Western Europe from the Middle Ages through the present; the United States, including art music, jazz, folk, rock, musical theater; and from at least two non-Western world areas (Africa, Asia, Latin America, the Caribbean, the Middle East, Indian subcontinent).
Music in World Cultures (University of Arkansas) Survey of some musical and cultural traditions including contemporary musical cultures from Europe, Africa, North America, South America, Oceania, East Asia, South Asia and the Middle East. Provides historical background, music examples and listening guide, maps, and images.
Music Theory for the 21st-century Classroom (University of Puget Sound). Covers fundamentals through advanced topics such as jazz theory, set theory, and serialism.
Early Music (MIT): examines European music from the early Middle Ages until the end of the Renaissance. It includes a chronological survey and intensive study of three topics: chant and its development, music in Italy 1340-1420, and music in Elizabethan England.
Resonances: Engaging Music in its Cultural Context (University System of Georgia): music appreciation course with examples from classical, popular, and folk traditions around the globe. Organized into thematic chapters which can be taught in any order. Topics include storytelling, political expression, spirituality, dance, and entertainment.
Musical Improvisation (MIT): concepts and practice techniques of improvisation in solo and ensemble contexts.