Final answer:
The Ars nova was a period in music history that took place during the late Middle Ages, specifically in the 14th century. Composers during this period showed an interest in both the regularity and complexity of musical patterns. The Ars nova marked a significant shift in musical composition and laid the foundation for the development of Renaissance music.
Step-by-step explanation:
The Ars nova was a period in music history that took place during the late Middle Ages, specifically in the 14th century. One of the main characteristics of this period was an interest in both the regularity and complexity of musical patterns. During the Ars nova, composers began to explore and experiment with new musical techniques, such as complex rhythms and intricate polyphony. This period marked a significant shift in musical composition and laid the foundation for the development of Renaissance music.