The webpage discusses the features of Logic Pro 12, a new version of the music production software developed by Apple. A key feature is the Chord ID, which provides harmonic analysis and transcription of chord progressions for audio, MIDI, or recording from Voice Memos, making it easier for users to work with music theory aspects. The software, which includes other features such as Synth Players, is part of Apple's $13/month Creators Studio, but is also available as a free upgrade for existing Logic owners or as a standalone purchase.
Harmonic intelligence & Chord ID in Logic Pro 12.