Internet Archive (Archive.org) is a treasure trove for historical speeches. Many Marathi cultural communities have uploaded non-copyrighted, public-domain audio recordings of his early, raw, and most powerful multi-hour lectures. You can download them directly as MP3 files for free. How to Use These Speeches for Events
You can often find older, rare recordings of his early speeches in MP3 format here. A Note on Authenticity Nitin Bangude Patil Shivaji Maharaj Speech Download -BEST
Search for "Nitin Bangude Patil Shivcharitra" to find complete albums. Internet Archive (Archive
Is there a (like the escape from Agra or Surat campaign) you want to focus on? Share public link public-domain audio recordings of his early