Complex sentence: Upon completion of training, he was temporarily as a village schoolmaster in Gommla and Remptendorf worked, but already in 1868 he moved to Leipzig to the Conservatory in Leipzig to study music, among other things, at the Thomas cantor Ernst Friedrich Richter.
Split into simpler sentences: Upon completion of training, he worked temporarily as a village schoolmaster in Gommla and Remptendorf. However, in 1868 he moved to Leipzig to study music and other subjects at the Conservatory in that city with the Thomas cantor Ernst Friedrich Richter.