Simplify the following text for a Grade 8 native English-speaking person.
Original: From 1885 to 1887 he was Kapellmeister in Danzig , then until 1889 in Hamburg , and until 1891 in Mannheim . From 1891 he was Kapellmeister of the Royal Opera and conductor of symphony concerts in Berlin ; he resigned from the Opera , though continuing to conduct the Symphony concerts , and settled in Munich , where he incurred the enmity of Rudolf Louis and Ludwig Thuille .
Simplified: From 1891 he was Kapellmeister of the Royal Opera and conductor of symphony concerts in Berlin .