Barbershop music Barbershop music Barbershop vocal harmony, as codified during the barbershop revival era (1930s–present), is a style of a cappella close harmony, or unaccompanied vocal music, characterized by consonant four-part chords for every melody note in a predominantly homophonic texture. Each of the four parts has its own role: generally, the lead sings the melody, the tenor harmonizes above the melody, the bass sings the lowest harmonizing notes, and the baritone completes the chord, usually below the lead. The melody is not usually sung by the tenor or baritone, except for an infrequent note or two to avoid awkward voice leading,
How People Learn How People Learn How People Learn is the title of an educational psychology book edited by John D. Bransford, Ann L. Brown, and Rodney R. Cocking and published by the United States National Academy of Sciences' National Academies Press. The committee on "How People Learn" also wrote "How Students Learn: History, Mathematics, and Science in the Classroom" as a follow-up. An updated edition "How People Learn II" was released in October 2018. The book draws the following conclusions, among others: Learners and Learning: Thus, the debate within education between advocates of deep conceptual understanding and advocates of broad factual understanding