Cost for an A-Z collection: If you buy 100 songs (approx. 2 songs per letter), it costs ₹1,500-2,000—less than two movie tickets.
and albums for online streaming and mobile downloads with a Plus subscription.
directory where you can search for tracks by their starting letter. Gaana & JioSaavn : These platforms provide categorized playlists for Tamil Movie Songs which are often searchable alphabetically. Note on Free Downloads
Furthermore, no single legal source offers an "A-Z Tamil MP3 folder" for direct download because that would be facilitating mass copying. Streaming platforms organize by playlists, not drive folders.