Partita sub communione. Composed by Joachim Schwarz and Lothar Graap. Instrumental Music based on Church songs. German title: Er Ist Das Brot, Er Ist Der Wein Ab 3 Ex. Instrumental music based on hymns. Full score. 8 pages. Carus Verlag #CV 19.421/40. Published by Carus Verlag (CA.1942140).