The K12 Music Reference Guide 2016 is a hardcover study guide focused on music education at the high school level. Published by K12 Inc. in the United States, this guide covers various subjects related to music in an intermediate level format. Written in English, this book serves as a comprehensive resource for students and educators looking to explore the world of music in depth. With its detailed information and expert insights, the K12 Music Reference Guide 2016 is a valuable tool for anyone interested in music education.