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On a final note, you may want to try the new (beta) VisualEditor, check out our weekly newspaper, the Wikipedia Signpost, and join a WikiProject of interest to you. WikiProjects gather editors interested in certain topic areas, providing them with information, tools and a place to discuss the topic in question. Based on your recent edits I think you may be interested in Wikipedia:WikiProject Music. For a list of all WikiProjects, see here. Joining a WikiProject makes the Wikipedia experience much richer! Piotr Konieczny aka Prokonsul Piotrus| reply here 00:55, 1 April 2015 (UTC)[reply]
You should not remove German references; all languages are accepted here. The more refs, the easier it is to prove notability. I recommend you explain on article's talk how he passes WP:COMPOSER. Then we can remove the notability tag. (Please note: not all composers are notable by default). --Piotr Konieczny aka Prokonsul Piotrus| reply here 00:55, 1 April 2015 (UTC)[reply]