How ancient is the tradition of performing Parayans and Saptahs, and what are some examples mentioned?

The practice of performing Parayans and Saptahs is described as very ancient, with its roots dating back to the Vedic era. Chapter 0 provides several examples to illustrate this long-standing tradition. It mentions that Parayans and Saptahs of great Sanskrit works like the Vedas, Bhagavata, Ramayana, and Yoga Vasistha are held daily. Similarly, revered Marathi works such as Shri Dnyaneshwari, Shri Nath Bhagavata, and Shri Dasbodh are also part of this ancient and ongoing tradition of daily recitation.