Ancient Greece and Rome were the cradles of Western civilization. Western philosophy, aesthetics, and various art forms began here. Western music culture also began. This period revealed the relationship between music and mathematics; the three famous tragedies Escuros, Euripides, and Sophocles were both dramatists and musicians, and music played a wonderful role in their plays. As can be seen from this text, what are the characteristics of the music culture of ancient Greece and ancient Rome? ['Meaning is narrower than it is now.', 'Close ties to other arts and sciences.', 'A strict distinction from art and philosophy.', 'The content mainly involves mathematics and drama.']