The product is a rare and excellent original book in German titled “J.S Bach 371 Four Part Chorals Volume 1” by author Edwin F Kalmus. This trade paperback music book published by Harcourt College Publishers contains 366 pages of the 371 chorales of Johann Sebastian Bach with English texts. It falls under the subject area of music, specifically in the genres and styles of choral music. The book measures 11.4 inches in length, 11.25 inches in height, and 8.7 inches in width, weighing 30.4 ounces.