These classical pieces are public domain so it's completely legal to download the music here. Besides a wide variety of classical music downloads, you'll also find a large selection of free sheet music and free music theory textbooks available at Musopen. Types of Music Available at Musopen.
2. (foll by with) to associate (oneself) or be associated, esp as a subordinate or subsidiary; bring or come into close connection: he affiliated himself with the Union. n. a. a person or organization that is affiliated with another. b. (as modifier): an affiliate member.
What is Informal Organization? The informal organization is the interlocking social structure that governs how people work together in practice. It is the aggregate of behaviors, interactions, norms, and personal/professional connections through which work gets done and relationships are built among people.