You cannot legally download copyrighted music for free from pirate sites without hurting the artist. However, you can access high-quality audio completely free via legal streaming platforms, and there are legitimate ways to convert those streams for offline listening (for personal use).
Here are the best sources for better quality Dappu Srinu songs: You cannot legally download copyrighted music for free
These platforms have massive Telugu devotional libraries. Dappu Srinu’s albums like “Ayyappa Deeksha Songs” are available here. While technically streaming
While technically streaming, these platforms offer 320kbps OGG/Vorbis quality—far superior to any free MP3 site. You cannot legally download copyrighted music for free
While generally discouraged for piracy, YouTube does host Official Topic channels of Dappu Srinu. If you must convert: