HoRNet SongKey is a real-time key detection tool designed to analyze polyphonic audio streams such as complete songs. Utilizing advanced artificial intelligence algorithms, it identifies the musical key in which a track is composed with impressive accuracy. This capability makes SongKey an essential companion for musicians, producers, and DJs seeking to understand the harmonic foundation of their audio material quickly.

The plugin evaluates the audio input and presents the three most probable keys along with confidence levels, allowing users to gauge the reliability of each suggestion. Additionally, SongKey provides a note profile visualization that highlights the most frequently played notes within the song, offering deeper insight into its tonal structure. This feature supports creative decisions, such as remixing or composing complementary parts.

SongKey is especially valuable in scenarios where an instrument is not available to determine a song’s key, making it a handy tool for live performances, DJ mashups, or production sessions. It simplifies harmonic analysis, helping users to quickly adapt and create music that fits seamlessly with existing tracks or new compositions.