What do you need to create perfect mix? No matter what method you use - harmonic mixing or beatmatching, you will need to know the basic characteristics of the audio track, such as the key and tempo. tuneXplorer will help you find the key of song and BPM value with high accuracy. After analyzing the audio, you can save KEY and BPM in the audio tags for later use in a popular DJ software. Optimization for the latest multi-core CPU ensures significant performance gain, your entire music library can be processed in minutes.