This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Q: Passage: Chopin's original publishers included Maurice Schlesinger and Camille Pleyel. His works soon began to appear in popular 19th-century piano anthologies. The first collected edition was by Breitkopf & Hartel (18781902). Among modern scholarly editions of Chopin's works are the version under the name of Paderewski published between 1937 and 1966 and the more recent Polish "National Edition", edited by Jan Ekier, both of which contain detailed explanations and discussions regarding choices and sources. Question: Maurice Schlesinger and Camille Pleyel were what to Chopin?
A:
original publishers