Copyright and use of BK Chords materials
Original BK Chords materials are protected to the extent provided by applicable copyright law.
Materials created for BK Chords
Original instructional text and examples, illustrations and the particular graphical presentation of chord diagrams, interface design, original software code, graphics and the original selection and arrangement of educational content created for BK Music App.
Common musical knowledge is not exclusively owned
Names of notes, common chord symbols and progressions, intervals, music theory, the circle of fifths as a concept, and standard chord structures are not claimed as exclusive property of BK Music App. Protection of a particular original expression or presentation is a separate issue.
Using the materials
You may use BK Chords to learn and practise music, including teaching to the extent allowed by law. Reproducing or republishing protected site elements, distributing the original site design or code, or reusing original materials commercially generally requires permission unless an exception applies under applicable law.
Fingering and musical accuracy
BK Chords provides educational reference information. Some fingerings are computed and may require checking for playability and ergonomics. For some instruments, extended chord tones may be shown as pitches or arpeggios, not as simultaneously playable fingerings.
Third-party rights
Rights in third-party musical compositions, song lyrics, sound recordings, photographs and other works belong to their respective owners. Their use remains subject to the relevant permissions and applicable law.
Permission and inquiries
To request permission, discuss licensing or report a potential infringement, identify the relevant URL and content and contact the creator using the official website bkmusic.pro.
Rights holder
Boris Kaminskiy · BK Music App. Updated 28 October 2026. This information is subject to applicable law and is not a substitute for individual legal advice.