Can you summarize the key themes and events discussed in Chapter 15 of the Shri Sai Satcharitra?

Chapter 15 of the Shri Sai Satcharitra begins with salutations and a humble plea from the author to the listeners, comparing their receptive minds to a vast ocean. The chapter emphasizes that listening to Sai's stories with faith brings immense benefits, such as devotion, peace, and liberation from worldly fears. The central theme, as explained in the text, is how Sai grants his vision to loving devotees. This is illustrated through a detailed analogy of a mother cat and her kittens. Their persistent, loving attachment, despite her initial annoyance, ultimately causes her milk to flow, symbolizing how a devotee's unwavering dedication to Sai's feet can melt His heart and earn His grace. Finally, Chapter 15 sets the stage for a new story by introducing a kirtan to be performed by Das Ganu in Thane.