for finding free DJ music, such as SoundCloud Free Downloads or DJ Pools?

: Unauthorized downloading of copyrighted material can lead to account suspension or legal action from labels and artists. 4. Comparison of Professional Formats

If you don't need a standalone MP3 file but want to use the music for DJing, Beatport offers a streaming service:

A web-based tool that parses URLs to retrieve MP3 or MP4 files.

An Examination of Online Beatport-to-MP3 Converters: Functionality, Risks, and Alternatives