In this new companion to Handel"s classic Messiah, American music scholar and conductor Dr. Chester L. Alwes has created an essential resource for singers, teachers, conductors, and scholars who want to understand and make informed decisions about the oratorio and its performance. This simple, accessible book contains all of the recitatives and arias, along with every variant written and authorized by Handel and the rationale behind their potential use. The thoughtful commentary that accompanies the music also suggests a wide array of choices regarding ornamentation, style, phrasing, dynamics, and more, making it ideal for scholars and advanced singers.