Complex sentence: Although the members originally weren't conscious of the sales, they started feeling sorry for their office and recording company that overprotected their vision, and from the following year they appoint a producer to make works that would sell much.
Split into simpler sentences: Although the members originally weren't conscious of the sales, they started feeling sorry for their office and recording company that overprotected their vision. In the following year they appointed a producer to make works that would sell much.