It covers the period from early music, Medieval and Renaissance music, to the modern era, 20th-century classical music, contemporary classical music, and 21st-century classical music, and its objective is to create a guide to music that is not needlessly complex.
It encompasses the span from early music, Medieval and Renaissance music, to modern classical music in the 20th century, contemporary classical music, and 21st-century classical music, aiming to create a guide that avoids unnecessary intricacy.