He had a long career as a teacher , conductor and composer , moving among musical posts in Germany : Mannheim ( 1862-1864 ) , Koblenz ( 1865-1867 ) , Sondershausen , ( 1867-1870 ) Berlin ( 1870-1872 ) , Bonn , where he spent 1873 -1878 working privately . He had a long career as a teacher , conductor and composer , moving among musical posts in Germany : Mannheim ( 1862-1864 ) , Koblenz ( 1865-1867 ) , Sondershausen , ( 1867-1870 ) , Berlin ( 1870-1872 ) , and Bonn , where he spent 1873-78 working privately .