What specific stories and accounts does Chapter 51 promise to narrate for the benefit of its readers?

As detailed in the text, Chapter 51 of the Sai Satcharitra sets the stage for several upcoming narratives intended to soothe the hearts of the listeners. It promises to share the "marvelous account of how Kakasaheb was established in Shirdi." Furthermore, it will delve into the entire history of Kakasaheb's 'rinanubandh' or bond from past lives with Shirdi and his firm relationship with Sai. In addition to Kakasaheb's story, the chapter also mentions that it will describe three stories of three other devotees, ensuring a rich collection of narratives for the reader.