Instead, use the official free trial of Mixed In Key 10, or any of the legal alternatives mentioned. Your DJ library, computer security, and conscience will thank you.
The phrase "Mixed In Key v7.5.1 OS X -TNT--dada-" refers to a specific scene release of harmonic mixing software for macOS. This particular version, released around 2016–2017, was distributed by the warez groups Mixed In Key v7.5.1 OS X -TNT--dada-
Version 7.5.1 improved ID3 tagging, allowing users to write key and energy data directly into the file metadata for seamless use in Serato, Traktor , and Rekordbox. Harmonic Mixing Explained Instead, use the official free trial of Mixed