Can you summarize the historical context and tradition of performing Parayans and Saptahs mentioned in the text?

The practice of performing Parayans (readings) and Saptahs (weekly recitations) is described as being very ancient, with roots dating back to the Vedic era. Chapter 0 provides examples of great Sanskrit works like the Vedas, Bhagavata, and Ramayana, for which Parayans and Saptahs are held daily. The text also notes that this tradition extends to revered Marathi works such as Shri Dnyaneshwari and Shri Dasbodh. It is this ancient and established custom of study and recitation that makes poetic Guru biographies the preferred medium for Guru service.