This document provides an overview of religious music composition techniques used by Bach and Handel, including textures like polyphony, homophony, and monophony. It discusses Bach's cantatas and how he incorporated the chorale melody and ritornello principle. For Handel's Messiah, it notes the oratorio form without staging and how he used recitative and aria pairs with the ritornello principle. The "Hallelujah Chorus" employs polyphony, monophony, and homophony.