Original sentence: The Missa Salisburgensis is a polychoral composition which takes advantage of the multiple organs and various locations available for groups of singers and musicians to perform in Salzburg Cathedral.The appendix of the score contains the equally scored hymn Plaudite tympana, that accompanies the mass
Edited sentence: The Missa Salisburgensis is a polychoral composition which takes advantage of the multiple organs and various locations available for groups of singers and musicians to perform in Salzburg Cathedral, probably for the 1682 celebrations marking the 1100th anniversary of the founding of the archdiocese of Salzburg.The appendix of the score, housed in Salzburg's Carolino Augusteum Museum, contains the equally scored hymn Plaudite tympana, that accompanies the mass