Barbershop music in tags or codas, or when some appropriate embellishment can be created. One characteristic feature of barbershop harmony is the use of what is known as "snakes" and "swipes." This is when a chord is altered by a change in one or more non-melodic voices. Occasional passages may be sung by fewer than four voice parts. Barbershop music is generally performed by either a barbershop quartet, a group of four singers with one on each vocal part, or a barbershop chorus, which closely resembles a choir with the notable exception of the genre of music. According to the Barbershop Harmony
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