TONIC by zplane is an AI-powered music theory plugin designed to help producers and musicians identify the key of their loops, remixes, and song ideas effortlessly. By analyzing your audio in real time, TONIC provides accurate suggestions for scales and chords that complement your music, making it easier to build harmonies and melodies that fit perfectly with your tracks.

Simply insert TONIC on any audio track in your digital audio workstation and play your project. The plugin continuously analyzes the incoming sound and offers up to three possible keys, each accompanied by a clear graphical display of confidence levels. This intuitive visual feedback allows you to quickly understand the harmonic possibilities and experiment with different notes and chords within the suggested keys.

By providing insights into the key, scale, and chords that suit your recordings and samples, TONIC streamlines the creative process and empowers you to add basslines, melodies, and harmonies with confidence. Whether you’re working on original compositions or remixing existing material, TONIC helps unlock new musical directions and ensures your additions blend seamlessly with your source audio.