H. H. Kashinathbuva received the legacy of music from his father Pandharinathbuva and spent his entire life in performing Kirtan (religious narration).Owing to a powerful voice and mastery over verses from Bhagavadgeeta, Bhagavat, ancient aphorisms and devotional songs sung by saints, his presentations were always very effective. He also taught music at Nutan Mahavidyalaya for some time. The musical parts of his kirtans were usually based on classical ragas due to the legacy of music and his supremacy in the art of kirtan. He travelled widely for these programmes. He was highly honoured among the participants visiting Goa festival in which he participated for fifteen years at a stretch.

H. H.  Kashinathbuva’s kirtans were held in almost all temples in Pune. The Lakshminarayan Mandir located opposite the Someshwar Mandir held his kirtans during the annual holy period of four months for twelve consecutive years. During this period he was the president of ‘Shri Hari Kirtanottejak Sabha’ (Narad Mandir) for eight years, and was also felicitated on a grand scale

Similarly, he performed kirtans for a period of twelve years in the magnificent Rama Mandir belonging to the tailor community in the Camp area. These kirtans were attended by several prestigious individuals of that time and H H Kashinathbuva was felicitated at the hands of Shri R B Kale by awarding him the title of “Kirtan Kesari” (lion among religious narrators). He had several disciples, notable among them being Shri Haribhaktaparayan Jagannathbuva Jangaswami, who attained spectacular reputation in the district of Satara.

In 1964 H. H. Kashinathbuva was afflicted by cancer and was hospitalised at J J Hospital in Mumbai for surgery. His boundless love for kirtan made him firmly tell the surgeon that his life be saved only if he would be able to continue performing kirtans. Post surgery, he performed kirtans at several places for almost four years, concluding with his last one held on the occasion of Gokulashtami in 1967 before leaving the mortal body.